222001401002 has 4 divisors (see below), whose sum is σ = 333002101506. Its totient is φ = 111000700500.

The previous prime is 222001400947. The next prime is 222001401007. The reversal of 222001401002 is 200104100222.

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., 193423160401 + 28578240601 = 439799^2 + 169051^2 .

It is not an unprimeable number, because it can be changed into a prime (222001401007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55500350249 + ... + 55500350252.

Almost surely, 2^222001401002 is an apocalyptic number.

222001401002 is a deficient number, since it is larger than the sum of its proper divisors (111000700504).

222001401002 is a wasteful number, since it uses less digits than its factorization.

222001401002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111000700503.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 222001401002 its reverse (200104100222), we get a palindrome (422105501224).

The spelling of 222001401002 in words is "two hundred twenty-two billion, one million, four hundred one thousand, two".