222152551 has 8 divisors (see below), whose sum is σ = 229903344. Its totient is φ = 214493760.

The previous prime is 222152527. The next prime is 222152569. The reversal of 222152551 is 155251222.

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 222152551 - 2¹⁵ = 222119783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222152951) 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, 18070 + ... + 27763.

It is an arithmetic number, because the mean of its divisors is an integer number (28737918).

Almost surely, 2^222152551 is an apocalyptic number.

222152551 is a deficient number, since it is larger than the sum of its proper divisors (7750793).

222152551 is a wasteful number, since it uses less digits than its factorization.

222152551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46001.

The product of its digits is 2000, while the sum is 25.

The square root of 222152551 is about 14904.7828229733. The cubic root of 222152551 is about 605.6435571546.

The spelling of 222152551 in words is "two hundred twenty-two million, one hundred fifty-two thousand, five hundred fifty-one".