22446341391049 has 9 divisors (see below), whose sum is σ = 22493443134253. Its totient is φ = 22399338103852.

The previous prime is 22446341391043. The next prime is 22446341391079. The reversal of 22446341391049 is 94019314364422.

The square root of 22446341391049 is 4737757.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 22446341391049 - 2²³ = 22446333002441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22446341390987 and 22446341391005.

It is not an unprimeable number, because it can be changed into a prime (22446341391043) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2383087062 + ... + 2383096480.

Almost surely, 2^{22446341391049} is an apocalyptic number.

22446341391049 is the 4737757-th square number.

22446341391049 is the 2368879-th centered octagonal number.

It is an amenable number.

22446341391049 is a deficient number, since it is larger than the sum of its proper divisors (47101743204).

22446341391049 is an frugal number, since it uses more digits than its factorization.

22446341391049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19844 (or 9922 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 52.

The spelling of 22446341391049 in words is "twenty-two trillion, four hundred forty-six billion, three hundred forty-one million, three hundred ninety-one thousand, forty-nine".