22490395 has 16 divisors (see below), whose sum is σ = 28882080. Its totient is φ = 16761600.

The previous prime is 22490381. The next prime is 22490401. The reversal of 22490395 is 59309422.

It is not a de Polignac number, because 22490395 - 2¹⁹ = 21966107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22490395.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3855 + ... + 7735.

It is an arithmetic number, because the mean of its divisors is an integer number (1805130).

Almost surely, 2^22490395 is an apocalyptic number.

22490395 is a deficient number, since it is larger than the sum of its proper divisors (6391685).

22490395 is a wasteful number, since it uses less digits than its factorization.

22490395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3966.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 22490395 is about 4742.4039262804. The cubic root of 22490395 is about 282.2706311642.

The spelling of 22490395 in words is "twenty-two million, four hundred ninety thousand, three hundred ninety-five".