22451296 has 48 divisors (see below), whose sum is σ = 51244704. Its totient is φ = 9483264.

The previous prime is 22451291. The next prime is 22451309. The reversal of 22451296 is 69215422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22451291) 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, 15666 + ... + 17038.

It is an arithmetic number, because the mean of its divisors is an integer number (1067598).

Almost surely, 2^22451296 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 22451296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25622352).

22451296 is an abundant number, since it is smaller than the sum of its proper divisors (28793408).

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

22451296 is a wasteful number, since it uses less digits than its factorization.

22451296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463 (or 1455 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 22451296 is about 4738.2798566568. The cubic root of 22451296 is about 282.1069627604.

The spelling of 22451296 in words is "twenty-two million, four hundred fifty-one thousand, two hundred ninety-six".