151415222 has 16 divisors (see below), whose sum is σ = 267942912. Its totient is φ = 62798760.

The previous prime is 151415221. The next prime is 151415249. The reversal of 151415222 is 222514151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151415221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174008 + ... + 174875.

It is an arithmetic number, because the mean of its divisors is an integer number (16746432).

Almost surely, 2^151415222 is an apocalyptic number.

151415222 is a deficient number, since it is larger than the sum of its proper divisors (116527690).

151415222 is a wasteful number, since it uses less digits than its factorization.

151415222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348923.

The product of its digits is 800, while the sum is 23.

The square root of 151415222 is about 12305.0892723296. The cubic root of 151415222 is about 532.9950543209.

Adding to 151415222 its reverse (222514151), we get a palindrome (373929373).

The spelling of 151415222 in words is "one hundred fifty-one million, four hundred fifteen thousand, two hundred twenty-two".