162422621 has 4 divisors (see below), whose sum is σ = 170971200. Its totient is φ = 153874044.

The previous prime is 162422569. The next prime is 162422627. The reversal of 162422621 is 126224261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 162422621 - 2¹⁸ = 162160477 is a prime.

It is a super-2 number, since 2×162422621² = 52762215625019282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162422627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4274261 + ... + 4274298.

It is an arithmetic number, because the mean of its divisors is an integer number (42742800).

Almost surely, 2^162422621 is an apocalyptic number.

It is an amenable number.

162422621 is a deficient number, since it is larger than the sum of its proper divisors (8548579).

162422621 is an equidigital number, since it uses as much as digits as its factorization.

162422621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8548578.

The product of its digits is 2304, while the sum is 26.

The square root of 162422621 is about 12744.5133685049. The cubic root of 162422621 is about 545.6098114813.

Adding to 162422621 its reverse (126224261), we get a palindrome (288646882).

The spelling of 162422621 in words is "one hundred sixty-two million, four hundred twenty-two thousand, six hundred twenty-one".