22215514513 has 4 divisors (see below), whose sum is σ = 22223711808. Its totient is φ = 22207317220.

The previous prime is 22215514501. The next prime is 22215514523. The reversal of 22215514513 is 31541551222.

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 22215514513 - 2²⁹ = 21678643601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22215514523) 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, 4094581 + ... + 4100002.

It is an arithmetic number, because the mean of its divisors is an integer number (5555927952).

Almost surely, 2^22215514513 is an apocalyptic number.

It is an amenable number.

22215514513 is a deficient number, since it is larger than the sum of its proper divisors (8197295).

22215514513 is an equidigital number, since it uses as much as digits as its factorization.

22215514513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8197294.

The product of its digits is 12000, while the sum is 31.

It can be divided in two parts, 2221551 and 4513, that added together give a square (2226064 = 1492²).

The spelling of 22215514513 in words is "twenty-two billion, two hundred fifteen million, five hundred fourteen thousand, five hundred thirteen".