22010616 has 40 divisors (see below), whose sum is σ = 61651920. Its totient is φ = 7336656.

The previous prime is 22010603. The next prime is 22010621. The reversal of 22010616 is 61601022.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 16336 + ... + 17631.

It is an arithmetic number, because the mean of its divisors is an integer number (1541298).

Almost surely, 2^22010616 is an apocalyptic number.

It is an amenable number.

22010616 is an abundant number, since it is smaller than the sum of its proper divisors (39641304).

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

22010616 is a wasteful number, since it uses less digits than its factorization.

22010616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33985 (or 33972 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 22010616 is about 4691.5472927383. The cubic root of 22010616 is about 280.2489961961.

Adding to 22010616 its reverse (61601022), we get a palindrome (83611638).

The spelling of 22010616 in words is "twenty-two million, ten thousand, six hundred sixteen".