22376440 has 32 divisors (see below), whose sum is σ = 50485680. Its totient is φ = 8925952.

The previous prime is 22376413. The next prime is 22376443. The reversal of 22376440 is 4467322.

It is a junction number, because it is equal to n+sod(n) for n = 22376399 and 22376408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22376443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23004 + ... + 23956.

Almost surely, 2^22376440 is an apocalyptic number.

22376440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22376440 is an abundant number, since it is smaller than the sum of its proper divisors (28109240).

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

22376440 is a wasteful number, since it uses less digits than its factorization.

22376440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551 (or 1547 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 22376440 is about 4730.3741923869. The cubic root of 22376440 is about 281.7930846379.

The spelling of 22376440 in words is "twenty-two million, three hundred seventy-six thousand, four hundred forty".