22426604450661 has 16 divisors (see below), whose sum is σ = 29915225060864. Its totient is φ = 14944527836784.

The previous prime is 22426604450647. The next prime is 22426604450741. The reversal of 22426604450661 is 16605440662422.

It is a happy number.

It is not a de Polignac number, because 22426604450661 - 2⁴¹ = 20227581195109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22426604450661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22426604460661) 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 15 ways as a sum of consecutive naturals, for example, 85281600 + ... + 85544166.

It is an arithmetic number, because the mean of its divisors is an integer number (1869701566304).

Almost surely, 2^{22426604450661} is an apocalyptic number.

It is an amenable number.

22426604450661 is a deficient number, since it is larger than the sum of its proper divisors (7488620610203).

22426604450661 is a wasteful number, since it uses less digits than its factorization.

22426604450661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274920.

The product of its (nonzero) digits is 3317760, while the sum is 48.

The spelling of 22426604450661 in words is "twenty-two trillion, four hundred twenty-six billion, six hundred four million, four hundred fifty thousand, six hundred sixty-one".