222777051 has 8 divisors (see below), whose sum is σ = 339469824. Its totient is φ = 127301160.

The previous prime is 222777041. The next prime is 222777059. The reversal of 222777051 is 150777222.

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

It is not a de Polignac number, because 222777051 - 2⁵ = 222777019 is a prime.

It is a super-2 number, since 2×222777051² = 99259228904513202, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (222777059) 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 7 ways as a sum of consecutive naturals, for example, 5304195 + ... + 5304236.

It is an arithmetic number, because the mean of its divisors is an integer number (42433728).

Almost surely, 2^222777051 is an apocalyptic number.

222777051 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

222777051 is a deficient number, since it is larger than the sum of its proper divisors (116692773).

222777051 is a wasteful number, since it uses less digits than its factorization.

222777051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10608441.

The product of its (nonzero) digits is 13720, while the sum is 33.

The square root of 222777051 is about 14925.7177716852. The cubic root of 222777051 is about 606.2105407272.

The spelling of 222777051 in words is "two hundred twenty-two million, seven hundred seventy-seven thousand, fifty-one".