22469390 has 32 divisors (see below), whose sum is σ = 42494976. Its totient is φ = 8537760.

The previous prime is 22469357. The next prime is 22469399. The reversal of 22469390 is 9396422.

It is a self number, because there is not a number n which added to its sum of digits gives 22469390.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22469399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48299 + ... + 48761.

It is an arithmetic number, because the mean of its divisors is an integer number (1327968).

Almost surely, 2^22469390 is an apocalyptic number.

22469390 is a deficient number, since it is larger than the sum of its proper divisors (20025586).

22469390 is a wasteful number, since it uses less digits than its factorization.

22469390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 22469390 is about 4740.1888148047. The cubic root of 22469390 is about 282.1827278407.

The spelling of 22469390 in words is "twenty-two million, four hundred sixty-nine thousand, three hundred ninety".