222143420324522 has 16 divisors (see below), whose sum is σ = 344747522803200. Its totient is φ = 107243902663920.

The previous prime is 222143420324489. The next prime is 222143420324549. The reversal of 222143420324522 is 225423024341222.

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, 4080790997 + ... + 4080845432.

It is an arithmetic number, because the mean of its divisors is an integer number (21546720175200).

Almost surely, 2^{222143420324522} is an apocalyptic number.

222143420324522 is a deficient number, since it is larger than the sum of its proper divisors (122604102478678).

222143420324522 is a wasteful number, since it uses less digits than its factorization.

222143420324522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8161636901.

The product of its (nonzero) digits is 368640, while the sum is 38.

Adding to 222143420324522 its reverse (225423024341222), we get a palindrome (447566444665744).

The spelling of 222143420324522 in words is "two hundred twenty-two trillion, one hundred forty-three billion, four hundred twenty million, three hundred twenty-four thousand, five hundred twenty-two".