22348389 has 32 divisors (see below), whose sum is σ = 36352000. Its totient is φ = 11928384.

The previous prime is 22348373. The next prime is 22348409. The reversal of 22348389 is 98384322.

22348389 = 147² + 148² + ... + 412².

It is not a de Polignac number, because 22348389 - 2⁴ = 22348373 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 (22348189) 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, 31167 + ... + 31875.

It is an arithmetic number, because the mean of its divisors is an integer number (1136000).

Almost surely, 2^22348389 is an apocalyptic number.

It is an amenable number.

22348389 is a deficient number, since it is larger than the sum of its proper divisors (14003611).

22348389 is a wasteful number, since it uses less digits than its factorization.

22348389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817.

The product of its digits is 82944, while the sum is 39.

The square root of 22348389 is about 4727.4082751546. The cubic root of 22348389 is about 281.6752839040.

The spelling of 22348389 in words is "twenty-two million, three hundred forty-eight thousand, three hundred eighty-nine".