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2222242013021 = 17552172367389
BaseRepresentation
bin100000010101100111111…
…100100001111101011101
321212102222212101212101112
4200111213330201331131
5242402122423404041
64420514530351405
7316360141306052
oct40254774417535
97772885355345
102222242013021
117874a1756628
122ba82842b565
131317308ac6a4
14797b290d029
153cc13e37deb
hex20567f21f5d

2222242013021 has 8 divisors (see below), whose sum is σ = 2353005738360. Its totient is φ = 2091483132928.

The previous prime is 2222242012997. The next prime is 2222242013023. The reversal of 2222242013021 is 1203102422222.

It can be written as a sum of positive squares in 4 ways, for example, as 1030620888025 + 1191621124996 = 1015195^2 + 1091614^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2222242013021 - 26 = 2222242012957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222242013023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245006 + ... + 2122383.

It is an arithmetic number, because the mean of its divisors is an integer number (294125717295).

Almost surely, 22222242013021 is an apocalyptic number.

It is an amenable number.

2222242013021 is a deficient number, since it is larger than the sum of its proper divisors (130763725339).

2222242013021 is a wasteful number, since it uses less digits than its factorization.

2222242013021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2422623.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 2222242013021 its reverse (1203102422222), we get a palindrome (3425344435243).

The spelling of 2222242013021 in words is "two trillion, two hundred twenty-two billion, two hundred forty-two million, thirteen thousand, twenty-one".

Divisors: 1 17 55217 938689 2367389 40245613 130720118413 2222242013021