22348458 has 72 divisors (see below), whose sum is σ = 55106688. Its totient is φ = 6534000.

The previous prime is 22348423. The next prime is 22348477. The reversal of 22348458 is 85484322.

It is a zygodrome in base 4.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 67353 + ... + 67683.

Almost surely, 2^22348458 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22348458, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27553344).

22348458 is an abundant number, since it is smaller than the sum of its proper divisors (32758230).

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

22348458 is a wasteful number, since it uses less digits than its factorization.

22348458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 378 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 22348458 is about 4727.4155730166. The cubic root of 22348458 is about 281.6755737918.

The spelling of 22348458 in words is "twenty-two million, three hundred forty-eight thousand, four hundred fifty-eight".