22802661 has 64 divisors (see below), whose sum is σ = 42024960. Its totient is φ = 11923200.

The previous prime is 22802657. The next prime is 22802677. The reversal of 22802661 is 16620822.

It is not a de Polignac number, because 22802661 - 2² = 22802657 is a prime.

It is a super-2 number, since 2×22802661² = 1039922697361842, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22802621) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 150936 + ... + 151086.

It is an arithmetic number, because the mean of its divisors is an integer number (656640).

Almost surely, 2^22802661 is an apocalyptic number.

22802661 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22802661 is a deficient number, since it is larger than the sum of its proper divisors (19222299).

22802661 is a wasteful number, since it uses less digits than its factorization.

22802661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 22802661 is about 4775.2131889582. The cubic root of 22802661 is about 283.5710188529.

The spelling of 22802661 in words is "twenty-two million, eight hundred two thousand, six hundred sixty-one".