22494468 has 48 divisors (see below), whose sum is σ = 57383424. Its totient is φ = 6827520.

The previous prime is 22494467. The next prime is 22494469. The reversal of 22494468 is 86449422.

It is an interprime number because it is at equal distance from previous prime (22494467) and next prime (22494469).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a zygodrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (22494467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4546 + ... + 8102.

It is an arithmetic number, because the mean of its divisors is an integer number (1195488).

Almost surely, 2^22494468 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 22494468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28691712).

22494468 is an abundant number, since it is smaller than the sum of its proper divisors (34888956).

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

22494468 is a wasteful number, since it uses less digits than its factorization.

22494468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3612 (or 3610 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

The square root of 22494468 is about 4742.8333304049. The cubic root of 22494468 is about 282.2876698287.

The spelling of 22494468 in words is "twenty-two million, four hundred ninety-four thousand, four hundred sixty-eight".