22642380 has 36 divisors (see below), whose sum is σ = 68682432. Its totient is φ = 6037920.

The previous prime is 22642379. The next prime is 22642393. The reversal of 22642380 is 8324622.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62716 + ... + 63075.

Almost surely, 2^22642380 is an apocalyptic number.

22642380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22642380 is an abundant number, since it is smaller than the sum of its proper divisors (46040052).

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

22642380 is a wasteful number, since it uses less digits than its factorization.

22642380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125806 (or 125801 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 22642380 is about 4758.4009919300. The cubic root of 22642380 is about 282.9050445788.

The spelling of 22642380 in words is "twenty-two million, six hundred forty-two thousand, three hundred eighty".