1322999997 has 32 divisors (see below), whose sum is σ = 2032321536. Its totient is φ = 757680000.

The previous prime is 1322999987. The next prime is 1322999999. The reversal of 1322999997 is 7999992231.

It is not a de Polignac number, because 1322999997 - 2⁶ = 1322999933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1322999997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322999999) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52497 + ... + 73497.

It is an arithmetic number, because the mean of its divisors is an integer number (63510048).

Almost surely, 2^1322999997 is an apocalyptic number.

It is an amenable number.

1322999997 is a deficient number, since it is larger than the sum of its proper divisors (709321539).

1322999997 is a wasteful number, since it uses less digits than its factorization.

1322999997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21121.

The product of its digits is 4960116, while the sum is 60.

The square root of 1322999997 is about 36373.0669177071. The cubic root of 1322999997 is about 1097.7917121771.

The spelling of 1322999997 in words is "one billion, three hundred twenty-two million, nine hundred ninety-nine thousand, nine hundred ninety-seven".