152214218 has 32 divisors (see below), whose sum is σ = 253955520. Its totient is φ = 67985280.

The previous prime is 152214197. The next prime is 152214229. The reversal of 152214218 is 812412251.

It is a super-2 number, since 2×152214218² = 46338336322703048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102038 + ... + 103518.

It is an arithmetic number, because the mean of its divisors is an integer number (7936110).

Almost surely, 2^152214218 is an apocalyptic number.

152214218 is a deficient number, since it is larger than the sum of its proper divisors (101741302).

152214218 is a wasteful number, since it uses less digits than its factorization.

152214218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622.

The product of its digits is 1280, while the sum is 26.

The square root of 152214218 is about 12337.5126342387. The cubic root of 152214218 is about 533.9309224378.

Adding to 152214218 its reverse (812412251), we get a palindrome (964626469).

The spelling of 152214218 in words is "one hundred fifty-two million, two hundred fourteen thousand, two hundred eighteen".