22024422061 has 4 divisors (see below), whose sum is σ = 22047928252. Its totient is φ = 22000915872.

The previous prime is 22024422053. The next prime is 22024422067. The reversal of 22024422061 is 16022442022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1178548900 + 20845873161 = 34330^2 + 144381^2 .

It is a cyclic number.

It is not a de Polignac number, because 22024422061 - 2³ = 22024422053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22024422067) 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, 11751690 + ... + 11753563.

It is an arithmetic number, because the mean of its divisors is an integer number (5511982063).

Almost surely, 2^22024422061 is an apocalyptic number.

It is an amenable number.

22024422061 is a deficient number, since it is larger than the sum of its proper divisors (23506191).

22024422061 is an equidigital number, since it uses as much as digits as its factorization.

22024422061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23506190.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 22024422061 its reverse (16022442022), we get a palindrome (38046864083).

The spelling of 22024422061 in words is "twenty-two billion, twenty-four million, four hundred twenty-two thousand, sixty-one".