22390010 has 8 divisors (see below), whose sum is σ = 40302036. Its totient is φ = 8956000.

The previous prime is 22390007. The next prime is 22390013. The reversal of 22390010 is 1009322.

It is an interprime number because it is at equal distance from previous prime (22390007) and next prime (22390013).

It can be written as a sum of positive squares in 2 ways, for example, as 22363441 + 26569 = 4729^2 + 163^2 .

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

It is not an unprimeable number, because it can be changed into a prime (22390013) 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, 1119491 + ... + 1119510.

Almost surely, 2^22390010 is an apocalyptic number.

22390010 is a deficient number, since it is larger than the sum of its proper divisors (17912026).

22390010 is a wasteful number, since it uses less digits than its factorization.

22390010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2239008.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 22390010 is about 4731.8083224070. The cubic root of 22390010 is about 281.8500367927.

Adding to 22390010 its reverse (1009322), we get a palindrome (23399332).

The spelling of 22390010 in words is "twenty-two million, three hundred ninety thousand, ten".