22159659 has 8 divisors (see below), whose sum is σ = 29574720. Its totient is φ = 14758856.

The previous prime is 22159601. The next prime is 22159667. The reversal of 22159659 is 95695122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22159659 - 2¹⁹ = 21635371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22159259) 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, 844 + ... + 6710.

It is an arithmetic number, because the mean of its divisors is an integer number (3696840).

Almost surely, 2^22159659 is an apocalyptic number.

22159659 is a deficient number, since it is larger than the sum of its proper divisors (7415061).

22159659 is a wasteful number, since it uses less digits than its factorization.

22159659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7129.

The product of its digits is 48600, while the sum is 39.

The square root of 22159659 is about 4707.4046989822. The cubic root of 22159659 is about 280.8801344533.

The spelling of 22159659 in words is "twenty-two million, one hundred fifty-nine thousand, six hundred fifty-nine".