185240022 has 32 divisors (see below), whose sum is σ = 421735680. Its totient is φ = 53692320.

The previous prime is 185240021. The next prime is 185240053. The reversal of 185240022 is 220042581.

It is a junction number, because it is equal to n+sod(n) for n = 185239974 and 185240001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (185240021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59497 + ... + 62532.

It is an arithmetic number, because the mean of its divisors is an integer number (13179240).

Almost surely, 2^185240022 is an apocalyptic number.

185240022 is an abundant number, since it is smaller than the sum of its proper divisors (236495658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

185240022 is a wasteful number, since it uses less digits than its factorization.

185240022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122068.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 185240022 is about 13610.2910328913. The cubic root of 185240022 is about 570.0482384537.

The spelling of 185240022 in words is "one hundred eighty-five million, two hundred forty thousand, twenty-two".