22355426261 has 12 divisors (see below), whose sum is σ = 26019327168. Its totient is φ = 19151452152.

The previous prime is 22355426213. The next prime is 22355426281. The reversal of 22355426261 is 16262455322.

It is not a de Polignac number, because 22355426261 - 2¹⁴ = 22355409877 is a prime.

It is a super-2 number, since 2×22355426261² (a number of 21 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 (22355426281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30701 + ... + 213666.

It is an arithmetic number, because the mean of its divisors is an integer number (2168277264).

Almost surely, 2^22355426261 is an apocalyptic number.

It is an amenable number.

22355426261 is a deficient number, since it is larger than the sum of its proper divisors (3663900907).

22355426261 is a wasteful number, since it uses less digits than its factorization.

22355426261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246248 (or 246241 counting only the distinct ones).

The product of its digits is 172800, while the sum is 38.

The spelling of 22355426261 in words is "twenty-two billion, three hundred fifty-five million, four hundred twenty-six thousand, two hundred sixty-one".