22747460573021 has 4 divisors (see below), whose sum is σ = 23035403112000. Its totient is φ = 22459518034044.

The previous prime is 22747460573009. The next prime is 22747460573023. The reversal of 22747460573021 is 12037506474722.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22747460573021 - 2¹⁸ = 22747460310877 is a prime.

It is a super-2 number, since 2×22747460573021² (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 (22747460573023) 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 3 ways as a sum of consecutive naturals, for example, 143971269371 + ... + 143971269528.

It is an arithmetic number, because the mean of its divisors is an integer number (5758850778000).

Almost surely, 2^{22747460573021} is an apocalyptic number.

It is an amenable number.

22747460573021 is a deficient number, since it is larger than the sum of its proper divisors (287942538979).

22747460573021 is an equidigital number, since it uses as much as digits as its factorization.

22747460573021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287942538978.

The product of its (nonzero) digits is 3951360, while the sum is 50.

The spelling of 22747460573021 in words is "twenty-two trillion, seven hundred forty-seven billion, four hundred sixty million, five hundred seventy-three thousand, twenty-one".