51122204 has 24 divisors (see below), whose sum is σ = 102469248. Its totient is φ = 21861360.

The previous prime is 51122191. The next prime is 51122231. The reversal of 51122204 is 40222115.

It is a super-2 number, since 2×51122204² = 5226959483635232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12899 + ... + 16389.

It is an arithmetic number, because the mean of its divisors is an integer number (4269552).

Almost surely, 2^51122204 is an apocalyptic number.

It is an amenable number.

51122204 is an abundant number, since it is smaller than the sum of its proper divisors (51347044).

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

51122204 is a wasteful number, since it uses less digits than its factorization.

51122204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4025 (or 4023 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 51122204 is about 7149.9793006693. The cubic root of 51122204 is about 371.1389399758.

Adding to 51122204 its reverse (40222115), we get a palindrome (91344319).

The spelling of 51122204 in words is "fifty-one million, one hundred twenty-two thousand, two hundred four".