22626450 has 144 divisors (see below), whose sum is σ = 75905856. Its totient is φ = 4694400.

The previous prime is 22626437. The next prime is 22626463. The reversal of 22626450 is 5462622.

It is an interprime number because it is at equal distance from previous prime (22626437) and next prime (22626463).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 34324 + ... + 34976.

It is an arithmetic number, because the mean of its divisors is an integer number (527124).

Almost surely, 2^22626450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22626450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37952928).

22626450 is an abundant number, since it is smaller than the sum of its proper divisors (53279406).

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

22626450 is a wasteful number, since it uses less digits than its factorization.

22626450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689 (or 681 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 22626450 is about 4756.7268157841. The cubic root of 22626450 is about 282.8386832590.

The spelling of 22626450 in words is "twenty-two million, six hundred twenty-six thousand, four hundred fifty".