225352220402 has 8 divisors (see below), whose sum is σ = 338030550000. Its totient is φ = 112675370404.

The previous prime is 225352220383. The next prime is 225352220413. The reversal of 225352220402 is 204022253522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×225352220402² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166349 + ... + 691647.

It is an arithmetic number, because the mean of its divisors is an integer number (42253818750).

Almost surely, 2^225352220402 is an apocalyptic number.

225352220402 is a deficient number, since it is larger than the sum of its proper divisors (112678329598).

225352220402 is a wasteful number, since it uses less digits than its factorization.

225352220402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739800.

The product of its (nonzero) digits is 19200, while the sum is 29.

Adding to 225352220402 its reverse (204022253522), we get a palindrome (429374473924).

The spelling of 225352220402 in words is "two hundred twenty-five billion, three hundred fifty-two million, two hundred twenty thousand, four hundred two".