222152822 has 4 divisors (see below), whose sum is σ = 333229236. Its totient is φ = 111076410.

The previous prime is 222152767. The next prime is 222152831. The reversal of 222152822 is 228251222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 228251222 = 2 ⋅114125611.

It is a junction number, because it is equal to n+sod(n) for n = 222152791 and 222152800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55538204 + ... + 55538207.

It is an arithmetic number, because the mean of its divisors is an integer number (83307309).

Almost surely, 2^222152822 is an apocalyptic number.

222152822 is a deficient number, since it is larger than the sum of its proper divisors (111076414).

222152822 is a wasteful number, since it uses less digits than its factorization.

222152822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111076413.

The product of its digits is 2560, while the sum is 26.

The square root of 222152822 is about 14904.7919140121. The cubic root of 222152822 is about 605.6438034258.

The spelling of 222152822 in words is "two hundred twenty-two million, one hundred fifty-two thousand, eight hundred twenty-two".