202231442 has 32 divisors (see below), whose sum is σ = 361152000. Its totient is φ = 83095488.

The previous prime is 202231441. The next prime is 202231493. The reversal of 202231442 is 244132202.

It is a super-2 number, since 2×202231442² = 81795112266798728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (202231441) 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, 58823 + ... + 62165.

It is an arithmetic number, because the mean of its divisors is an integer number (11286000).

Almost surely, 2^202231442 is an apocalyptic number.

202231442 is a deficient number, since it is larger than the sum of its proper divisors (158920558).

202231442 is a wasteful number, since it uses less digits than its factorization.

202231442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3530.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 202231442 is about 14220.8101738262. The cubic root of 202231442 is about 586.9704340405.

Adding to 202231442 its reverse (244132202), we get a palindrome (446363644).

The spelling of 202231442 in words is "two hundred two million, two hundred thirty-one thousand, four hundred forty-two".