22215541451015 has 64 divisors (see below), whose sum is σ = 30284771650560. Its totient is φ = 15501775488000.

The previous prime is 22215541450981. The next prime is 22215541451039. The reversal of 22215541451015 is 51015414551222.

It is not a de Polignac number, because 22215541451015 - 2⁶ = 22215541450951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22215541451015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1376504816 + ... + 1376520954.

It is an arithmetic number, because the mean of its divisors is an integer number (473199557040).

Almost surely, 2^{22215541451015} is an apocalyptic number.

22215541451015 is a deficient number, since it is larger than the sum of its proper divisors (8069230199545).

22215541451015 is a wasteful number, since it uses less digits than its factorization.

22215541451015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26264.

The product of its (nonzero) digits is 80000, while the sum is 38.

The spelling of 22215541451015 in words is "twenty-two trillion, two hundred fifteen billion, five hundred forty-one million, four hundred fifty-one thousand, fifteen".