152212522 has 24 divisors (see below), whose sum is σ = 289742400. Its totient is φ = 59303160.

The previous prime is 152212499. The next prime is 152212523. The reversal of 152212522 is 225212251.

152212522 = T₂₄₆₈ + T₂₄₆₉ + ... + T₂₅₁₆.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 152212493 and 152212502.

It is not an unprimeable number, because it can be changed into a prime (152212523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69522 + ... + 71677.

It is an arithmetic number, because the mean of its divisors is an integer number (12072600).

Almost surely, 2^152212522 is an apocalyptic number.

152212522 is a deficient number, since it is larger than the sum of its proper divisors (137529878).

152212522 is a wasteful number, since it uses less digits than its factorization.

152212522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141226 (or 141219 counting only the distinct ones).

The product of its digits is 800, while the sum is 22.

The square root of 152212522 is about 12337.4439005817. The cubic root of 152212522 is about 533.9289393769.

Adding to 152212522 its reverse (225212251), we get a palindrome (377424773).

The spelling of 152212522 in words is "one hundred fifty-two million, two hundred twelve thousand, five hundred twenty-two".