201872022 has 16 divisors (see below), whose sum is σ = 440448192. Its totient is φ = 61173320.

The previous prime is 201872009. The next prime is 201872039. The reversal of 201872022 is 220278102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 201871983 and 201872001.

It is a congruent number.

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, 1529268 + ... + 1529399.

It is an arithmetic number, because the mean of its divisors is an integer number (27528012).

Almost surely, 2^201872022 is an apocalyptic number.

201872022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201872022 is an abundant number, since it is smaller than the sum of its proper divisors (238576170).

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

201872022 is a wasteful number, since it uses less digits than its factorization.

201872022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3058683.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 201872022 is about 14208.1674398917. The cubic root of 201872022 is about 586.6224927282.

The spelling of 201872022 in words is "two hundred one million, eight hundred seventy-two thousand, twenty-two".