22748946 has 16 divisors (see below), whose sum is σ = 49634208. Its totient is φ = 6893600.

The previous prime is 22748939. The next prime is 22748951. The reversal of 22748946 is 64984722.

It is a super-2 number, since 2×22748946² = 1035029088221832, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22748898 and 22748907.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172275 + ... + 172406.

It is an arithmetic number, because the mean of its divisors is an integer number (3102138).

Almost surely, 2^22748946 is an apocalyptic number.

22748946 is an abundant number, since it is smaller than the sum of its proper divisors (26885262).

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

22748946 is a wasteful number, since it uses less digits than its factorization.

22748946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344697.

The product of its digits is 193536, while the sum is 42.

The square root of 22748946 is about 4769.5855165832. The cubic root of 22748946 is about 283.3481794604.

The spelling of 22748946 in words is "twenty-two million, seven hundred forty-eight thousand, nine hundred forty-six".