22452620 has 24 divisors (see below), whose sum is σ = 47244624. Its totient is φ = 8963136.

The previous prime is 22452613. The next prime is 22452629. The reversal of 22452620 is 2625422.

It is not an unprimeable number, because it can be changed into a prime (22452629) 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, 14399 + ... + 15881.

It is an arithmetic number, because the mean of its divisors is an integer number (1968526).

Almost surely, 2^22452620 is an apocalyptic number.

22452620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22452620 is an abundant number, since it is smaller than the sum of its proper divisors (24792004).

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

22452620 is a wasteful number, since it uses less digits than its factorization.

22452620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249 (or 2247 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 22452620 is about 4738.4195677462. The cubic root of 22452620 is about 282.1125081310.

The spelling of 22452620 in words is "twenty-two million, four hundred fifty-two thousand, six hundred twenty".