222174157 has 4 divisors (see below), whose sum is σ = 222325056. Its totient is φ = 222023260.

The previous prime is 222174143. The next prime is 222174167. The reversal of 222174157 is 751471222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222174157 - 2¹¹ = 222172109 is a prime.

It is a super-2 number, since 2×222174157² = 98722712077321298, 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 (222174107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73219 + ... + 76192.

It is an arithmetic number, because the mean of its divisors is an integer number (55581264).

Almost surely, 2^222174157 is an apocalyptic number.

It is an amenable number.

222174157 is a deficient number, since it is larger than the sum of its proper divisors (150899).

222174157 is a wasteful number, since it uses less digits than its factorization.

222174157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150898.

The product of its digits is 7840, while the sum is 31.

The square root of 222174157 is about 14905.5076062508. The cubic root of 222174157 is about 605.6631909759.

The spelling of 222174157 in words is "two hundred twenty-two million, one hundred seventy-four thousand, one hundred fifty-seven".