22764415465047 has 4 divisors (see below), whose sum is σ = 30352553953400. Its totient is φ = 15176276976696.

The previous prime is 22764415465039. The next prime is 22764415465061. The reversal of 22764415465047 is 74056451446722.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22764415465047 - 2³ = 22764415465039 is a prime.

It is a super-2 number, since 2×22764415465047² (a number of 28 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 (22764415465087) 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, 3794069244172 + ... + 3794069244177.

It is an arithmetic number, because the mean of its divisors is an integer number (7588138488350).

Almost surely, 2^{22764415465047} is an apocalyptic number.

22764415465047 is a deficient number, since it is larger than the sum of its proper divisors (7588138488353).

22764415465047 is an equidigital number, since it uses as much as digits as its factorization.

22764415465047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7588138488352.

The product of its (nonzero) digits is 45158400, while the sum is 57.

The spelling of 22764415465047 in words is "twenty-two trillion, seven hundred sixty-four billion, four hundred fifteen million, four hundred sixty-five thousand, forty-seven".