201241922 has 18 divisors (see below), whose sum is σ = 351391833. Its totient is φ = 86186352.

The previous prime is 201241891. The next prime is 201241951. The reversal of 201241922 is 229142102.

It can be written as a sum of positive squares in 2 ways, for example, as 176331841 + 24910081 = 13279^2 + 4991^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=10031.

It is a super-2 number, since 2×201241922² = 80996622340508168, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 139718 + ... + 141150.

Almost surely, 2^201241922 is an apocalyptic number.

201241922 is a deficient number, since it is larger than the sum of its proper divisors (150149911).

201241922 is an frugal number, since it uses more digits than its factorization.

201241922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2882 (or 1442 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 201241922 is about 14185.9762441645. The cubic root of 201241922 is about 586.0115180596.

It can be divided in two parts, 2012 and 41922, that added together give a palindrome (43934).

The spelling of 201241922 in words is "two hundred one million, two hundred forty-one thousand, nine hundred twenty-two".