22478150 has 12 divisors (see below), whose sum is σ = 41809452. Its totient is φ = 8991240.

The previous prime is 22478149. The next prime is 22478167. The reversal of 22478150 is 5187422.

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, 224732 + ... + 224831.

It is an arithmetic number, because the mean of its divisors is an integer number (3484121).

Almost surely, 2^22478150 is an apocalyptic number.

22478150 is a deficient number, since it is larger than the sum of its proper divisors (19331302).

22478150 is a wasteful number, since it uses less digits than its factorization.

22478150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449575 (or 449570 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 22478150 is about 4741.1127385879. The cubic root of 22478150 is about 282.2193940123.

The spelling of 22478150 in words is "twenty-two million, four hundred seventy-eight thousand, one hundred fifty".