22074240 has 64 divisors (see below), whose sum is σ = 70367760. Its totient is φ = 5885952.

The previous prime is 22074233. The next prime is 22074271. The reversal of 22074240 is 4247022.

It is a tau number, because it is divible by the number of its divisors (64).

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, 3829 + ... + 7668.

Almost surely, 2^22074240 is an apocalyptic number.

22074240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22074240 is an abundant number, since it is smaller than the sum of its proper divisors (48293520).

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

22074240 is a wasteful number, since it uses less digits than its factorization.

22074240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11519 (or 11507 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 22074240 is about 4698.3231051089. The cubic root of 22074240 is about 280.5187661607.

The spelling of 22074240 in words is "twenty-two million, seventy-four thousand, two hundred forty".