990373547222 has 16 divisors (see below), whose sum is σ = 1563768153600. Its totient is φ = 469118177640.

The previous prime is 990373547213. The next prime is 990373547263. The reversal of 990373547222 is 222745373099.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4290947 + ... + 4515857.

It is an arithmetic number, because the mean of its divisors is an integer number (97735509600).

Almost surely, 2^990373547222 is an apocalyptic number.

990373547222 is a deficient number, since it is larger than the sum of its proper divisors (573394606378).

990373547222 is a wasteful number, since it uses less digits than its factorization.

990373547222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340811.

The product of its (nonzero) digits is 5715360, while the sum is 53.

The spelling of 990373547222 in words is "nine hundred ninety billion, three hundred seventy-three million, five hundred forty-seven thousand, two hundred twenty-two".