22467198961 has 4 divisors (see below), whose sum is σ = 22631193252. Its totient is φ = 22303204672.

The previous prime is 22467198959. The next prime is 22467198967. The reversal of 22467198961 is 16989176422.

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 16523559936 + 5943639025 = 128544^2 + 77095^2 .

It is a cyclic number.

It is not a de Polignac number, because 22467198961 - 2¹ = 22467198959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22467198967) 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, 81996940 + ... + 81997213.

It is an arithmetic number, because the mean of its divisors is an integer number (5657798313).

Almost surely, 2^22467198961 is an apocalyptic number.

It is an amenable number.

22467198961 is a deficient number, since it is larger than the sum of its proper divisors (163994291).

22467198961 is a wasteful number, since it uses less digits than its factorization.

22467198961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163994290.

The product of its digits is 2612736, while the sum is 55.

The spelling of 22467198961 in words is "twenty-two billion, four hundred sixty-seven million, one hundred ninety-eight thousand, nine hundred sixty-one".