222132631025402 has 4 divisors (see below), whose sum is σ = 333198946538106. Its totient is φ = 111066315512700.

The previous prime is 222132631025401. The next prime is 222132631025407. The reversal of 222132631025402 is 204520136231222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 160009875549001 + 62122755476401 = 12649501^2 + 7881799^2 .

It is not an unprimeable number, because it can be changed into a prime (222132631025401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55533157756349 + ... + 55533157756352.

Almost surely, 2^{222132631025402} is an apocalyptic number.

222132631025402 is a deficient number, since it is larger than the sum of its proper divisors (111066315512704).

222132631025402 is a wasteful number, since it uses less digits than its factorization.

222132631025402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111066315512703.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 222132631025402 its reverse (204520136231222), we get a palindrome (426652767256624).

The spelling of 222132631025402 in words is "two hundred twenty-two trillion, one hundred thirty-two billion, six hundred thirty-one million, twenty-five thousand, four hundred two".