7222401610644 has 96 divisors (see below), whose sum is σ = 18687454676352. Its totient is φ = 2152522944000.

The previous prime is 7222401610609. The next prime is 7222401610657. The reversal of 7222401610644 is 4460161042227.

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, 98817874 + ... + 98890934.

It is an arithmetic number, because the mean of its divisors is an integer number (194660986212).

Almost surely, 2^{7222401610644} 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 7222401610644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9343727338176).

7222401610644 is an abundant number, since it is smaller than the sum of its proper divisors (11465053065708).

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

7222401610644 is a wasteful number, since it uses less digits than its factorization.

7222401610644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85417 (or 85415 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The spelling of 7222401610644 in words is "seven trillion, two hundred twenty-two billion, four hundred one million, six hundred ten thousand, six hundred forty-four".