322125661 has 24 divisors (see below), whose sum is σ = 382631040. Its totient is φ = 268819200.

The previous prime is 322125613. The next prime is 322125667. The reversal of 322125661 is 166521223.

It is not a de Polignac number, because 322125661 - 2¹⁵ = 322092893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322125667) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 447660 + ... + 448378.

It is an arithmetic number, because the mean of its divisors is an integer number (15942960).

Almost surely, 2^322125661 is an apocalyptic number.

It is an amenable number.

322125661 is a deficient number, since it is larger than the sum of its proper divisors (60505379).

322125661 is a wasteful number, since it uses less digits than its factorization.

322125661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997 (or 984 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 322125661 is about 17947.8595102592. The cubic root of 322125661 is about 685.5015496719.

Adding to 322125661 its reverse (166521223), we get a palindrome (488646884).

It can be divided in two parts, 32212 and 5661, that added together give a palindrome (37873).

The spelling of 322125661 in words is "three hundred twenty-two million, one hundred twenty-five thousand, six hundred sixty-one".