20226468 has 24 divisors (see below), whose sum is σ = 47472768. Its totient is φ = 6702496.

The previous prime is 20226461. The next prime is 20226473. The reversal of 20226468 is 86462202.

It is a super-2 number, since 2×20226468² = 818220015510048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20226461) 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, 2796 + ... + 6947.

It is an arithmetic number, because the mean of its divisors is an integer number (1978032).

Almost surely, 2^20226468 is an apocalyptic number.

It is an amenable number.

20226468 is an abundant number, since it is smaller than the sum of its proper divisors (27246300).

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

20226468 is a wasteful number, since it uses less digits than its factorization.

20226468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9923 (or 9921 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 20226468 is about 4497.3845732826. The cubic root of 20226468 is about 272.4624665641.

The spelling of 20226468 in words is "twenty million, two hundred twenty-six thousand, four hundred sixty-eight".