22272954 has 32 divisors (see below), whose sum is σ = 49014720. Its totient is φ = 6746960.

The previous prime is 22272937. The next prime is 22272977. The reversal of 22272954 is 45927222.

It is a super-2 number, since 2×22272954² = 992168959772232, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6592 + ... + 9380.

It is an arithmetic number, because the mean of its divisors is an integer number (1531710).

Almost surely, 2^22272954 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22272954, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24507360).

22272954 is an abundant number, since it is smaller than the sum of its proper divisors (26741766).

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

22272954 is a wasteful number, since it uses less digits than its factorization.

22272954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2827 (or 2805 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 22272954 is about 4719.4230579595. The cubic root of 22272954 is about 281.3580033596.

The spelling of 22272954 in words is "twenty-two million, two hundred seventy-two thousand, nine hundred fifty-four".