22378893 has 8 divisors (see below), whose sum is σ = 29869056. Its totient is φ = 14904000.

The previous prime is 22378849. The next prime is 22378921. The reversal of 22378893 is 39887322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22378893 - 2⁹ = 22378381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22378843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213 + ... + 6693.

It is an arithmetic number, because the mean of its divisors is an integer number (3733632).

Almost surely, 2^22378893 is an apocalyptic number.

It is an amenable number.

22378893 is a deficient number, since it is larger than the sum of its proper divisors (7490163).

22378893 is a wasteful number, since it uses less digits than its factorization.

22378893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7635.

The product of its digits is 145152, while the sum is 42.

The square root of 22378893 is about 4730.6334670951. The cubic root of 22378893 is about 281.8033813783.

The spelling of 22378893 in words is "twenty-two million, three hundred seventy-eight thousand, eight hundred ninety-three".