22449120 has 48 divisors (see below), whose sum is σ = 70716240. Its totient is φ = 5986304.

The previous prime is 22449113. The next prime is 22449131. The reversal of 22449120 is 2194422.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22905 + ... + 23864.

It is an arithmetic number, because the mean of its divisors is an integer number (1473255).

Almost surely, 2^22449120 is an apocalyptic number.

22449120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22449120 is an abundant number, since it is smaller than the sum of its proper divisors (48267120).

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

22449120 is a wasteful number, since it uses less digits than its factorization.

22449120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46787 (or 46779 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 22449120 is about 4738.0502318992. The cubic root of 22449120 is about 282.0978484449.

The spelling of 22449120 in words is "twenty-two million, four hundred forty-nine thousand, one hundred twenty".