22234890 has 16 divisors (see below), whose sum is σ = 53363808. Its totient is φ = 5929296.

The previous prime is 22234873. The next prime is 22234907. The reversal of 22234890 is 9843222.

It is an interprime number because it is at equal distance from previous prime (22234873) and next prime (22234907).

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 741163 = 22234890 / (2 + 2 + 2 + 3 + 4 + 8 + 9 + 0).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370552 + ... + 370611.

It is an arithmetic number, because the mean of its divisors is an integer number (3335238).

Almost surely, 2^22234890 is an apocalyptic number.

22234890 is an abundant number, since it is smaller than the sum of its proper divisors (31128918).

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

22234890 is a wasteful number, since it uses less digits than its factorization.

22234890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741173.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 22234890 is about 4715.3886372175. The cubic root of 22234890 is about 281.1976337072.

The spelling of 22234890 in words is "twenty-two million, two hundred thirty-four thousand, eight hundred ninety".