22159730 has 16 divisors (see below), whose sum is σ = 41174784. Its totient is φ = 8577840.

The previous prime is 22159691. The next prime is 22159759. The reversal of 22159730 is 3795122.

It is a junction number, because it is equal to n+sod(n) for n = 22159693 and 22159702.

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, 35432 + ... + 36051.

It is an arithmetic number, because the mean of its divisors is an integer number (2573424).

Almost surely, 2^22159730 is an apocalyptic number.

22159730 is a deficient number, since it is larger than the sum of its proper divisors (19015054).

22159730 is a wasteful number, since it uses less digits than its factorization.

22159730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71521.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 22159730 is about 4707.4122402866. The cubic root of 22159730 is about 280.8804344349.

The spelling of 22159730 in words is "twenty-two million, one hundred fifty-nine thousand, seven hundred thirty".