223422332402 has 4 divisors (see below), whose sum is σ = 335133498606. Its totient is φ = 111711166200.

The previous prime is 223422332389. The next prime is 223422332423. The reversal of 223422332402 is 204233224322.

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., 215816922721 + 7605409681 = 464561^2 + 87209^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55855583099 + ... + 55855583102.

Almost surely, 2^223422332402 is an apocalyptic number.

223422332402 is a deficient number, since it is larger than the sum of its proper divisors (111711166204).

223422332402 is a wasteful number, since it uses less digits than its factorization.

223422332402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111711166203.

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 223422332402 its reverse (204233224322), we get a palindrome (427655556724).

The spelling of 223422332402 in words is "two hundred twenty-three billion, four hundred twenty-two million, three hundred thirty-two thousand, four hundred two".