22442029 has 2 divisors, whose sum is σ = 22442030. Its totient is φ = 22442028.

The previous prime is 22441999. The next prime is 22442081. The reversal of 22442029 is 92024422.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21949225 + 492804 = 4685^2 + 702^2 .

It is a cyclic number.

It is not a de Polignac number, because 22442029 - 2¹⁷ = 22310957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22441994 and 22442012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22412029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11221014 + 11221015.

It is an arithmetic number, because the mean of its divisors is an integer number (11221015).

Almost surely, 2^22442029 is an apocalyptic number.

It is an amenable number.

22442029 is a deficient number, since it is larger than the sum of its proper divisors (1).

22442029 is an equidigital number, since it uses as much as digits as its factorization.

22442029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 22442029 is about 4737.3018692078. The cubic root of 22442029 is about 282.0681432493.

The spelling of 22442029 in words is "twenty-two million, four hundred forty-two thousand, twenty-nine".