Search a number
-
+
2040022221 = 31813756947
BaseRepresentation
bin111100110011000…
…0100010011001101
312021011122212101120
41321212010103031
513134221202341
6534232431153
7101360621436
oct17146042315
95234585346
102040022221
119575a2986
1248b2484b9
1326684b053
14154d1648d
15be16b066
hex799844cd

2040022221 has 8 divisors (see below), whose sum is σ = 2735058144. Its totient is φ = 1352500560.

The previous prime is 2040022217. The next prime is 2040022249. The reversal of 2040022221 is 1222200402.

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

It is not a de Polignac number, because 2040022221 - 22 = 2040022217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2040022221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040022261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1877931 + ... + 1879016.

It is an arithmetic number, because the mean of its divisors is an integer number (341882268).

Almost surely, 22040022221 is an apocalyptic number.

It is an amenable number.

2040022221 is a deficient number, since it is larger than the sum of its proper divisors (695035923).

2040022221 is a wasteful number, since it uses less digits than its factorization.

2040022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3757131.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 2040022221 is about 45166.6051524796. The cubic root of 2040022221 is about 1268.2697459818.

Adding to 2040022221 its reverse (1222200402), we get a palindrome (3262222623).

The spelling of 2040022221 in words is "two billion, forty million, twenty-two thousand, two hundred twenty-one".

Divisors: 1 3 181 543 3756947 11270841 680007407 2040022221