222557151 has 4 divisors (see below), whose sum is σ = 296742872. Its totient is φ = 148371432.

The previous prime is 222557129. The next prime is 222557171. The reversal of 222557151 is 151755222.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 222557151 - 2⁵ = 222557119 is a prime.

It is a super-2 number, since 2×222557151² = 99063370922473602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222557171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37092856 + ... + 37092861.

It is an arithmetic number, because the mean of its divisors is an integer number (74185718).

Almost surely, 2^222557151 is an apocalyptic number.

222557151 is a deficient number, since it is larger than the sum of its proper divisors (74185721).

222557151 is an equidigital number, since it uses as much as digits as its factorization.

222557151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74185720.

The product of its digits is 7000, while the sum is 30.

The square root of 222557151 is about 14918.3494730483. The cubic root of 222557151 is about 606.0110145151.

The spelling of 222557151 in words is "two hundred twenty-two million, five hundred fifty-seven thousand, one hundred fifty-one".