22468021 has 8 divisors (see below), whose sum is σ = 23272704. Its totient is φ = 21677040.

The previous prime is 22467989. The next prime is 22468027. The reversal of 22468021 is 12086422.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22468021 - 2⁵ = 22467989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22468027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30 + ... + 6703.

It is an arithmetic number, because the mean of its divisors is an integer number (2909088).

Almost surely, 2^22468021 is an apocalyptic number.

It is an amenable number.

22468021 is a deficient number, since it is larger than the sum of its proper divisors (804683).

22468021 is an equidigital number, since it uses as much as digits as its factorization.

22468021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6851.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 22468021 is about 4740.0444090747. The cubic root of 22468021 is about 282.1769968440.

The spelling of 22468021 in words is "twenty-two million, four hundred sixty-eight thousand, twenty-one".