22289148 has 48 divisors (see below), whose sum is σ = 66044160. Its totient is φ = 6368112.

The previous prime is 22289131. The next prime is 22289153. The reversal of 22289148 is 84198222.

It is a super-2 number, since 2×22289148² = 993612237131808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 13986 + ... + 15497.

It is an arithmetic number, because the mean of its divisors is an integer number (1375920).

Almost surely, 2^22289148 is an apocalyptic number.

22289148 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22289148 is an abundant number, since it is smaller than the sum of its proper divisors (43755012).

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

22289148 is a wasteful number, since it uses less digits than its factorization.

22289148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29503 (or 29495 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 22289148 is about 4721.1384220334. The cubic root of 22289148 is about 281.4261758421.

The spelling of 22289148 in words is "twenty-two million, two hundred eighty-nine thousand, one hundred forty-eight".