22232052215 has 8 divisors (see below), whose sum is σ = 26681429808. Its totient is φ = 17783663680.

The previous prime is 22232052197. The next prime is 22232052263. The reversal of 22232052215 is 51225023222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-22232052215 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196877 + ... + 288486.

It is an arithmetic number, because the mean of its divisors is an integer number (3335178726).

Almost surely, 2^22232052215 is an apocalyptic number.

22232052215 is a deficient number, since it is larger than the sum of its proper divisors (4449377593).

22232052215 is an equidigital number, since it uses as much as digits as its factorization.

22232052215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494529.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 22232052215 its reverse (51225023222), we get a palindrome (73457075437).

The spelling of 22232052215 in words is "twenty-two billion, two hundred thirty-two million, fifty-two thousand, two hundred fifteen".