22233139 has 2 divisors, whose sum is σ = 22233140. Its totient is φ = 22233138.

The previous prime is 22233121. The next prime is 22233143. The reversal of 22233139 is 93133222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22233139 - 2²¹ = 20135987 is a prime.

It is not a weakly prime, because it can be changed into another prime (22233109) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11116569 + 11116570.

It is an arithmetic number, because the mean of its divisors is an integer number (11116570).

Almost surely, 2^22233139 is an apocalyptic number.

22233139 is a deficient number, since it is larger than the sum of its proper divisors (1).

22233139 is an equidigital number, since it uses as much as digits as its factorization.

22233139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 25.

The square root of 22233139 is about 4715.2029648786. The cubic root of 22233139 is about 281.1902520654.

The spelling of 22233139 in words is "twenty-two million, two hundred thirty-three thousand, one hundred thirty-nine".