322550013 has 4 divisors (see below), whose sum is σ = 430066688. Its totient is φ = 215033340.

The previous prime is 322549957. The next prime is 322550021. The reversal of 322550013 is 310055223.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310055223 = 3 ⋅103351741.

It is not a de Polignac number, because 322550013 - 2⁶ = 322549949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322550513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53758333 + ... + 53758338.

It is an arithmetic number, because the mean of its divisors is an integer number (107516672).

Almost surely, 2^322550013 is an apocalyptic number.

It is an amenable number.

322550013 is a deficient number, since it is larger than the sum of its proper divisors (107516675).

322550013 is a wasteful number, since it uses less digits than its factorization.

322550013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107516674.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 322550013 is about 17959.6774191520. The cubic root of 322550013 is about 685.8024325735.

The spelling of 322550013 in words is "three hundred twenty-two million, five hundred fifty thousand, thirteen".