22151383 has 4 divisors (see below), whose sum is σ = 22300200. Its totient is φ = 22002568.

The previous prime is 22151281. The next prime is 22151411. The reversal of 22151383 is 38315122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22151383 - 2¹⁷ = 22020311 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 (22151083) 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, 74185 + ... + 74482.

It is an arithmetic number, because the mean of its divisors is an integer number (5575050).

Almost surely, 2^22151383 is an apocalyptic number.

22151383 is a deficient number, since it is larger than the sum of its proper divisors (148817).

22151383 is a wasteful number, since it uses less digits than its factorization.

22151383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148816.

The product of its digits is 1440, while the sum is 25.

The square root of 22151383 is about 4706.5255762611. The cubic root of 22151383 is about 280.8451631956.

The spelling of 22151383 in words is "twenty-two million, one hundred fifty-one thousand, three hundred eighty-three".