22801616 has 20 divisors (see below), whose sum is σ = 45604224. Its totient is φ = 11032800.

The previous prime is 22801609. The next prime is 22801661. The reversal of 22801616 is 61610822.

22801616 is an admirable number.

It is a super-2 number, since 2×22801616² = 1039827384422912, 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 3 ways as a sum of consecutive naturals, for example, 22490 + ... + 23481.

Almost surely, 2^22801616 is an apocalyptic number.

It is an amenable number.

22801616 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22801616 is a wasteful number, since it uses less digits than its factorization.

22801616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46010 (or 46004 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 22801616 is about 4775.1037685060. The cubic root of 22801616 is about 283.5666869573.

The spelling of 22801616 in words is "twenty-two million, eight hundred one thousand, six hundred sixteen".