22890030 has 16 divisors (see below), whose sum is σ = 54936144. Its totient is φ = 6104000.

The previous prime is 22890029. The next prime is 22890031. The reversal of 22890030 is 3009822.

It is an interprime number because it is at equal distance from previous prime (22890029) and next prime (22890031).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22890031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381471 + ... + 381530.

It is an arithmetic number, because the mean of its divisors is an integer number (3433509).

Almost surely, 2^22890030 is an apocalyptic number.

22890030 is an abundant number, since it is smaller than the sum of its proper divisors (32046114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22890030 is a wasteful number, since it uses less digits than its factorization.

22890030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763011.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 22890030 is about 4784.3526207837. The cubic root of 22890030 is about 283.9327272386.

Adding to 22890030 its reverse (3009822), we get a palindrome (25899852).

The spelling of 22890030 in words is "twenty-two million, eight hundred ninety thousand, thirty".