152212422 has 16 divisors (see below), whose sum is σ = 307271232. Its totient is φ = 50263080.

The previous prime is 152212397. The next prime is 152212429. The reversal of 152212422 is 224212251.

It is a super-2 number, since 2×152212422² = 46337242822212168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152212429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117904 + ... + 119187.

It is an arithmetic number, because the mean of its divisors is an integer number (19204452).

Almost surely, 2^152212422 is an apocalyptic number.

152212422 is an abundant number, since it is smaller than the sum of its proper divisors (155058810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

152212422 is a wasteful number, since it uses less digits than its factorization.

152212422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237203.

The product of its digits is 640, while the sum is 21.

The square root of 152212422 is about 12337.4398478777. The cubic root of 152212422 is about 533.9288224507.

Adding to 152212422 its reverse (224212251), we get a palindrome (376424673).

The spelling of 152212422 in words is "one hundred fifty-two million, two hundred twelve thousand, four hundred twenty-two".