22244065142661 has 64 divisors (see below), whose sum is σ = 34226035261440. Its totient is φ = 14446665585072.

The previous prime is 22244065142561. The next prime is 22244065142681. The reversal of 22244065142661 is 16624156044222.

22244065142661 is a `hidden beast` number, since 2 + 2 + 2 + 440 + 6 + 5 + 142 + 6 + 61 = 666.

It is not a de Polignac number, because 22244065142661 - 2²¹ = 22244063045509 is a prime.

It is a super-2 number, since 2×22244065142661² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22244065142681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35708910 + ... + 36326496.

It is an arithmetic number, because the mean of its divisors is an integer number (534781800960).

Almost surely, 2^{22244065142661} is an apocalyptic number.

It is an amenable number.

22244065142661 is a deficient number, since it is larger than the sum of its proper divisors (11981970118779).

22244065142661 is an frugal number, since it uses more digits than its factorization.

22244065142661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618034 (or 618016 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 22244065142661 in words is "twenty-two trillion, two hundred forty-four billion, sixty-five million, one hundred forty-two thousand, six hundred sixty-one".