22013215025455 has 16 divisors (see below), whose sum is σ = 26439862307904. Its totient is φ = 17594573678080.

The previous prime is 22013215025353. The next prime is 22013215025471. The reversal of 22013215025455 is 55452051231022.

It is not a de Polignac number, because 22013215025455 - 2¹⁷ = 22013214894383 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 15 ways as a sum of consecutive naturals, for example, 39279222 + ... + 39835708.

It is an arithmetic number, because the mean of its divisors is an integer number (1652491394244).

Almost surely, 2^{22013215025455} is an apocalyptic number.

22013215025455 is a deficient number, since it is larger than the sum of its proper divisors (4426647282449).

22013215025455 is a wasteful number, since it uses less digits than its factorization.

22013215025455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563666.

The product of its (nonzero) digits is 120000, while the sum is 37.

Adding to 22013215025455 its reverse (55452051231022), we get a palindrome (77465266256477).

The spelling of 22013215025455 in words is "twenty-two trillion, thirteen billion, two hundred fifteen million, twenty-five thousand, four hundred fifty-five".