222222400202 has 12 divisors (see below), whose sum is σ = 366391478418. Its totient is φ = 101010181800.

The previous prime is 222222400177. The next prime is 222222400243. The reversal of 222222400202 is 202004222222.

It can be written as a sum of positive squares in only one way, i.e., 172167734761 + 50054665441 = 414931^2 + 223729^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 459136949 + ... + 459137432.

Almost surely, 2^222222400202 is an apocalyptic number.

222222400202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222222400202 is a deficient number, since it is larger than the sum of its proper divisors (144169078216).

222222400202 is a wasteful number, since it uses less digits than its factorization.

222222400202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918274405 (or 918274394 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 222222400202 its reverse (202004222222), we get a palindrome (424226622424).

The spelling of 222222400202 in words is "two hundred twenty-two billion, two hundred twenty-two million, four hundred thousand, two hundred two".