25216662 has 24 divisors (see below), whose sum is σ = 51656184. Its totient is φ = 8206464.

The previous prime is 25216657. The next prime is 25216669. The reversal of 25216662 is 26661252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25216669) 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, 9958 + ... + 12230.

It is an arithmetic number, because the mean of its divisors is an integer number (2152341).

Almost surely, 2^25216662 is an apocalyptic number.

25216662 is an abundant number, since it is smaller than the sum of its proper divisors (26439522).

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

25216662 is a wasteful number, since it uses less digits than its factorization.

25216662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364 (or 2321 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 25216662 is about 5021.6194598954. The cubic root of 25216662 is about 293.2440433580.

It can be divided in two parts, 25216 and 662, that added together give a triangular number (25878 = T₂₂₇).

The spelling of 25216662 in words is "twenty-five million, two hundred sixteen thousand, six hundred sixty-two".