22798748 has 12 divisors (see below), whose sum is σ = 45597552. Its totient is φ = 9770880.

The previous prime is 22798723. The next prime is 22798753. The reversal of 22798748 is 84789722.

It is a happy number.

22798748 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407093 + ... + 407148.

It is an arithmetic number, because the mean of its divisors is an integer number (3799796).

Almost surely, 2^22798748 is an apocalyptic number.

22798748 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22798748 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22798748 is a wasteful number, since it uses less digits than its factorization.

22798748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814252 (or 814250 counting only the distinct ones).

The product of its digits is 451584, while the sum is 47.

The square root of 22798748 is about 4774.8034514522. The cubic root of 22798748 is about 283.5547974000.

The spelling of 22798748 in words is "twenty-two million, seven hundred ninety-eight thousand, seven hundred forty-eight".