225251111666402 has 8 divisors (see below), whose sum is σ = 345065532765696. Its totient is φ = 110229267411172.

The previous prime is 225251111666221. The next prime is 225251111666447. The reversal of 225251111666402 is 204666111152522.

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

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, 1198144210898 + ... + 1198144211085.

It is an arithmetic number, because the mean of its divisors is an integer number (43133191595712).

Almost surely, 2^{225251111666402} is an apocalyptic number.

225251111666402 is a deficient number, since it is larger than the sum of its proper divisors (119814421099294).

225251111666402 is a wasteful number, since it uses less digits than its factorization.

225251111666402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2396288422032.

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 225251111666402 in words is "two hundred twenty-five trillion, two hundred fifty-one billion, one hundred eleven million, six hundred sixty-six thousand, four hundred two".