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222141045 = 3572115629
BaseRepresentation
bin11010011110110…
…01101001110101
3120110222221020010
431033121221311
5423332003140
634013130433
75335111350
oct1517315165
9513887203
10222141045
11104435945
1262489a19
133703a109
1421707297
151477e880
hexd3d9a75

222141045 has 16 divisors (see below), whose sum is σ = 406200960. Its totient is φ = 101550144.

The previous prime is 222141001. The next prime is 222141047. The reversal of 222141045 is 540141222.

It is not a de Polignac number, because 222141045 - 27 = 222140917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222141047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1057710 + ... + 1057919.

It is an arithmetic number, because the mean of its divisors is an integer number (25387560).

Almost surely, 2222141045 is an apocalyptic number.

It is an amenable number.

222141045 is a deficient number, since it is larger than the sum of its proper divisors (184059915).

222141045 is a wasteful number, since it uses less digits than its factorization.

222141045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115644.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 222141045 is about 14904.3968344915. The cubic root of 222141045 is about 605.6331008937.

Adding to 222141045 its reverse (540141222), we get a palindrome (762282267).

The spelling of 222141045 in words is "two hundred twenty-two million, one hundred forty-one thousand, forty-five".

Divisors: 1 3 5 7 15 21 35 105 2115629 6346887 10578145 14809403 31734435 44428209 74047015 222141045