22941985 has 8 divisors (see below), whose sum is σ = 30033216. Its totient is φ = 16685040.

The previous prime is 22941983. The next prime is 22941991. The reversal of 22941985 is 58914922.

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

It is not a de Polignac number, because 22941985 - 2¹ = 22941983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22941983) 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, 208509 + ... + 208618.

It is an arithmetic number, because the mean of its divisors is an integer number (3754152).

Almost surely, 2^22941985 is an apocalyptic number.

It is an amenable number.

22941985 is a deficient number, since it is larger than the sum of its proper divisors (7091231).

22941985 is a wasteful number, since it uses less digits than its factorization.

22941985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417143.

The product of its digits is 51840, while the sum is 40.

The square root of 22941985 is about 4789.7792224694. The cubic root of 22941985 is about 284.1473851473.

The spelling of 22941985 in words is "twenty-two million, nine hundred forty-one thousand, nine hundred eighty-five".