22169020 has 24 divisors (see below), whose sum is σ = 49294224. Its totient is φ = 8345856.

The previous prime is 22168997. The next prime is 22169023. The reversal of 22169020 is 2096122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22168982 and 22169000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22169023) 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, 32262 + ... + 32941.

It is an arithmetic number, because the mean of its divisors is an integer number (2053926).

Almost surely, 2^22169020 is an apocalyptic number.

22169020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22169020 is an abundant number, since it is smaller than the sum of its proper divisors (27125204).

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

22169020 is a wasteful number, since it uses less digits than its factorization.

22169020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65229 (or 65227 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 22169020 is about 4708.3988785998. The cubic root of 22169020 is about 280.9196800196.

It can be divided in two parts, 2216 and 9020, that added together give a square (11236 = 106²).

The spelling of 22169020 in words is "twenty-two million, one hundred sixty-nine thousand, twenty".