152021622 has 32 divisors (see below), whose sum is σ = 320947200. Its totient is φ = 47871648.

The previous prime is 152021609. The next prime is 152021629. The reversal of 152021622 is 226120251.

It is a happy number.

It is a super-2 number, since 2×152021622² = 46221147111021768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152021629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43579 + ... + 46937.

It is an arithmetic number, because the mean of its divisors is an integer number (10029600).

Almost surely, 2^152021622 is an apocalyptic number.

152021622 is an abundant number, since it is smaller than the sum of its proper divisors (168925578).

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

152021622 is a wasteful number, since it uses less digits than its factorization.

152021622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3780.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 152021622 is about 12329.7048626478. The cubic root of 152021622 is about 533.7056338869.

Adding to 152021622 its reverse (226120251), we get a palindrome (378141873).

The spelling of 152021622 in words is "one hundred fifty-two million, twenty-one thousand, six hundred twenty-two".