7215222504001 has 4 divisors (see below), whose sum is σ = 7247007625392. Its totient is φ = 7183437382612.

The previous prime is 7215222503987. The next prime is 7215222504059. The reversal of 7215222504001 is 1004052225127.

It is a happy number.

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 7215222504001 - 2¹⁷ = 7215222372929 is a prime.

It is a super-2 number, since 2×7215222504001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7215222544001) 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, 15892560355 + ... + 15892560808.

It is an arithmetic number, because the mean of its divisors is an integer number (1811751906348).

Almost surely, 2^{7215222504001} is an apocalyptic number.

It is an amenable number.

7215222504001 is a deficient number, since it is larger than the sum of its proper divisors (31785121391).

7215222504001 is a wasteful number, since it uses less digits than its factorization.

7215222504001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31785121390.

The product of its (nonzero) digits is 11200, while the sum is 31.

Adding to 7215222504001 its reverse (1004052225127), we get a palindrome (8219274729128).

The spelling of 7215222504001 in words is "seven trillion, two hundred fifteen billion, two hundred twenty-two million, five hundred four thousand, one".