22221253010613 has 4 divisors (see below), whose sum is σ = 29628337347488. Its totient is φ = 14814168673740.

The previous prime is 22221253010597. The next prime is 22221253010617. The reversal of 22221253010613 is 31601035212222.

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 not a de Polignac number, because 22221253010613 - 2⁴ = 22221253010597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221253010617) 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, 3703542168433 + ... + 3703542168438.

It is an arithmetic number, because the mean of its divisors is an integer number (7407084336872).

Almost surely, 2^{22221253010613} is an apocalyptic number.

It is an amenable number.

22221253010613 is a deficient number, since it is larger than the sum of its proper divisors (7407084336875).

22221253010613 is an equidigital number, since it uses as much as digits as its factorization.

22221253010613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7407084336874.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 22221253010613 its reverse (31601035212222), we get a palindrome (53822288222835).

The spelling of 22221253010613 in words is "twenty-two trillion, two hundred twenty-one billion, two hundred fifty-three million, ten thousand, six hundred thirteen".