22401038 has 16 divisors (see below), whose sum is σ = 38586240. Its totient is φ = 9646200.

The previous prime is 22401037. The next prime is 22401077. The reversal of 22401038 is 83010422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22401031) by changing a digit.

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, 26378 + ... + 27213.

It is an arithmetic number, because the mean of its divisors is an integer number (2411640).

Almost surely, 2^22401038 is an apocalyptic number.

22401038 is a deficient number, since it is larger than the sum of its proper divisors (16185202).

22401038 is a wasteful number, since it uses less digits than its factorization.

22401038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53623.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 22401038 is about 4732.9734839739. The cubic root of 22401038 is about 281.8963034392.

The spelling of 22401038 in words is "twenty-two million, four hundred one thousand, thirty-eight".