222042502 has 36 divisors (see below), whose sum is σ = 379501668. Its totient is φ = 97358800.

The previous prime is 222042481. The next prime is 222042517. The reversal of 222042502 is 205240222.

It is a self number, because there is not a number n which added to its sum of digits gives 222042502.

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 202977 + ... + 204067.

It is an arithmetic number, because the mean of its divisors is an integer number (10541713).

Almost surely, 2^222042502 is an apocalyptic number.

222042502 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222042502 is a deficient number, since it is larger than the sum of its proper divisors (157459166).

222042502 is a wasteful number, since it uses less digits than its factorization.

222042502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173 (or 1133 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 222042502 is about 14901.0906312256. The cubic root of 222042502 is about 605.5435335803.

Adding to 222042502 its reverse (205240222), we get a palindrome (427282724).

The spelling of 222042502 in words is "two hundred twenty-two million, forty-two thousand, five hundred two".