225214223402 has 16 divisors (see below), whose sum is σ = 386941406400. Its totient is φ = 96305411328.

The previous prime is 225214223371. The next prime is 225214223431. The reversal of 225214223402 is 204322412522.

It is a happy number.

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, 17907668 + ... + 17920239.

It is an arithmetic number, because the mean of its divisors is an integer number (24183837900).

Almost surely, 2^225214223402 is an apocalyptic number.

225214223402 is a deficient number, since it is larger than the sum of its proper divisors (161727182998).

225214223402 is a wasteful number, since it uses less digits than its factorization.

225214223402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35828365.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 225214223402 its reverse (204322412522), we get a palindrome (429536635924).

The spelling of 225214223402 in words is "two hundred twenty-five billion, two hundred fourteen million, two hundred twenty-three thousand, four hundred two".