225021293 has 8 divisors (see below), whose sum is σ = 257416320. Its totient is φ = 192688560.

The previous prime is 225021283. The next prime is 225021301. The reversal of 225021293 is 392120522.

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

It is a cyclic number.

It is not a de Polignac number, because 225021293 - 2⁶ = 225021229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225021283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7553 + ... + 22518.

It is an arithmetic number, because the mean of its divisors is an integer number (32177040).

Almost surely, 2^225021293 is an apocalyptic number.

It is an amenable number.

225021293 is a deficient number, since it is larger than the sum of its proper divisors (32395027).

225021293 is a wasteful number, since it uses less digits than its factorization.

225021293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31147.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 225021293 is about 15000.7097498752. The cubic root of 225021293 is about 608.2393853710.

The spelling of 225021293 in words is "two hundred twenty-five million, twenty-one thousand, two hundred ninety-three".