22622756381 has 4 divisors (see below), whose sum is σ = 22679741052. Its totient is φ = 22565771712.

The previous prime is 22622756357. The next prime is 22622756383. The reversal of 22622756381 is 18365722622.

It is a happy number.

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 14516635225 + 8106121156 = 120485^2 + 90034^2 .

It is a cyclic number.

It is not a de Polignac number, because 22622756381 - 2²² = 22618562077 is a prime.

It is a super-2 number, since 2×22622756381² (a number of 22 digits) 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 (22622756383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28491740 + ... + 28492533.

It is an arithmetic number, because the mean of its divisors is an integer number (5669935263).

Almost surely, 2^22622756381 is an apocalyptic number.

It is an amenable number.

22622756381 is a deficient number, since it is larger than the sum of its proper divisors (56984671).

22622756381 is an equidigital number, since it uses as much as digits as its factorization.

22622756381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56984670.

The product of its digits is 483840, while the sum is 44.

The spelling of 22622756381 in words is "twenty-two billion, six hundred twenty-two million, seven hundred fifty-six thousand, three hundred eighty-one".