1022622161 has 32 divisors (see below), whose sum is σ = 1205452800. Its totient is φ = 857666880.

The previous prime is 1022622137. The next prime is 1022622187. The reversal of 1022622161 is 1612262201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1022622161 - 2¹⁰ = 1022621137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022622661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1565711 + ... + 1566363.

It is an arithmetic number, because the mean of its divisors is an integer number (37670400).

Almost surely, 2^1022622161 is an apocalyptic number.

1022622161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1022622161 is a deficient number, since it is larger than the sum of its proper divisors (182830639).

1022622161 is a wasteful number, since it uses less digits than its factorization.

1022622161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1022622161 is about 31978.4640187736. The cubic root of 1022622161 is about 1007.4845619080.

Adding to 1022622161 its reverse (1612262201), we get a palindrome (2634884362).

The spelling of 1022622161 in words is "one billion, twenty-two million, six hundred twenty-two thousand, one hundred sixty-one".