22949456 has 40 divisors (see below), whose sum is σ = 47496960. Its totient is φ = 10704384.

The previous prime is 22949453. The next prime is 22949471. The reversal of 22949456 is 65494922.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22949453) 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, 37505 + ... + 38111.

It is an arithmetic number, because the mean of its divisors is an integer number (1187424).

Almost surely, 2^22949456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22949456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23748480).

22949456 is an abundant number, since it is smaller than the sum of its proper divisors (24547504).

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

22949456 is a wasteful number, since it uses less digits than its factorization.

22949456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771 (or 765 counting only the distinct ones).

The product of its digits is 155520, while the sum is 41.

The square root of 22949456 is about 4790.5590487959. The cubic root of 22949456 is about 284.1782257615.

The spelling of 22949456 in words is "twenty-two million, nine hundred forty-nine thousand, four hundred fifty-six".