57002202 has 24 divisors (see below), whose sum is σ = 123884436. Its totient is φ = 18942336.

The previous prime is 57002171. The next prime is 57002203. The reversal of 57002202 is 20220075.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 45037521 + 11964681 = 6711^2 + 3459^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (57002203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1368 + ... + 10764.

Almost surely, 2^57002202 is an apocalyptic number.

57002202 is an abundant number, since it is smaller than the sum of its proper divisors (66882234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57002202 is a wasteful number, since it uses less digits than its factorization.

57002202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9742 (or 9739 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 57002202 is about 7549.9802648749. The cubic root of 57002202 is about 384.8550688530.

Adding to 57002202 its reverse (20220075), we get a palindrome (77222277).

The spelling of 57002202 in words is "fifty-seven million, two thousand, two hundred two".