152222222 has 8 divisors (see below), whose sum is σ = 228387816. Its totient is φ = 76092952.

The previous prime is 152222221. The next prime is 152222263. The reversal of 152222222 is 222222251.

152222222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

152222222 is a modest number, since divided by 22222 gives 1522 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 152222194 and 152222203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152222221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7328 + ... + 18924.

It is an arithmetic number, because the mean of its divisors is an integer number (28548477).

Almost surely, 2^152222222 is an apocalyptic number.

152222222 is a deficient number, since it is larger than the sum of its proper divisors (76165594).

152222222 is a wasteful number, since it uses less digits than its factorization.

152222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18162.

The product of its digits is 640, while the sum is 20.

The square root of 152222222 is about 12337.8370065421. The cubic root of 152222222 is about 533.9402809771.

Adding to 152222222 its reverse (222222251), we get a palindrome (374444473).

The spelling of 152222222 in words is "one hundred fifty-two million, two hundred twenty-two thousand, two hundred twenty-two".