7222154173040 has 160 divisors (see below), whose sum is σ = 17028677952000. Its totient is φ = 2848332211200.

The previous prime is 7222154173037. The next prime is 7222154173079. The reversal of 7222154173040 is 403714512227.

It is a junction number, because it is equal to n+sod(n) for n = 7222154172985 and 7222154173003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2189193311 + ... + 2189196609.

It is an arithmetic number, because the mean of its divisors is an integer number (106429237200).

Almost surely, 2^{7222154173040} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7222154173040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8514338976000).

7222154173040 is an abundant number, since it is smaller than the sum of its proper divisors (9806523778960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7222154173040 is a wasteful number, since it uses less digits than its factorization.

7222154173040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4495 (or 4489 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 38.

Adding to 7222154173040 its reverse (403714512227), we get a palindrome (7625868685267).

The spelling of 7222154173040 in words is "seven trillion, two hundred twenty-two billion, one hundred fifty-four million, one hundred seventy-three thousand, forty".