22380478 has 12 divisors (see below), whose sum is σ = 34129512. Its totient is φ = 11004840.

The previous prime is 22380467. The next prime is 22380487. The reversal of 22380478 is 87408322.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56176 + ... + 56572.

It is an arithmetic number, because the mean of its divisors is an integer number (2844126).

Almost surely, 2^22380478 is an apocalyptic number.

22380478 is a deficient number, since it is larger than the sum of its proper divisors (11749034).

22380478 is an frugal number, since it uses more digits than its factorization.

22380478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 22380478 is about 4730.8009892618. The cubic root of 22380478 is about 281.8100341920.

The spelling of 22380478 in words is "twenty-two million, three hundred eighty thousand, four hundred seventy-eight".