22152943 has 8 divisors (see below), whose sum is σ = 22806080. Its totient is φ = 21509280.

The previous prime is 22152937. The next prime is 22152971. The reversal of 22152943 is 34925122.

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

It is a cyclic number.

It is not a de Polignac number, because 22152943 - 2¹³ = 22144751 is a prime.

It is a super-2 number, since 2×22152943² = 981505767122498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22152913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2521 + ... + 7117.

It is an arithmetic number, because the mean of its divisors is an integer number (2850760).

Almost surely, 2^22152943 is an apocalyptic number.

22152943 is a deficient number, since it is larger than the sum of its proper divisors (653137).

22152943 is an equidigital number, since it uses as much as digits as its factorization.

22152943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4737.

The product of its digits is 4320, while the sum is 28.

The square root of 22152943 is about 4706.6913006910. The cubic root of 22152943 is about 280.8517558339.

The spelling of 22152943 in words is "twenty-two million, one hundred fifty-two thousand, nine hundred forty-three".