25216122074 has 16 divisors (see below), whose sum is σ = 44436803040. Its totient is φ = 10580190960.

The previous prime is 25216122073. The next prime is 25216122089. The reversal of 25216122074 is 47022161252.

It is a super-2 number, since 2×25216122074² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25216122074.

It is not an unprimeable number, because it can be changed into a prime (25216122073) 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, 44083844 + ... + 44084415.

It is an arithmetic number, because the mean of its divisors is an integer number (2777300190).

Almost surely, 2^25216122074 is an apocalyptic number.

25216122074 is a deficient number, since it is larger than the sum of its proper divisors (19220680966).

25216122074 is a wasteful number, since it uses less digits than its factorization.

25216122074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88168285.

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 25216122074 in words is "twenty-five billion, two hundred sixteen million, one hundred twenty-two thousand, seventy-four".