22259042 has 8 divisors (see below), whose sum is σ = 35956956. Its totient is φ = 10273392.

The previous prime is 22259033. The next prime is 22259047. The reversal of 22259042 is 24095222.

It can be written as a sum of positive squares in 2 ways, for example, as 18913801 + 3345241 = 4349^2 + 1829^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 856117 = 22259042 / (2 + 2 + 2 + 5 + 9 + 0 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (22259047) 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, 428033 + ... + 428084.

Almost surely, 2^22259042 is an apocalyptic number.

22259042 is a deficient number, since it is larger than the sum of its proper divisors (13697914).

22259042 is a wasteful number, since it uses less digits than its factorization.

22259042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856132.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 22259042 is about 4717.9489187570. The cubic root of 22259042 is about 281.2994111048.

The spelling of 22259042 in words is "twenty-two million, two hundred fifty-nine thousand, forty-two".