22404030 has 32 divisors (see below), whose sum is σ = 58658688. Its totient is φ = 5431200.

The previous prime is 22403987. The next prime is 22404061. The reversal of 22404030 is 3040422.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33616 + ... + 34275.

It is an arithmetic number, because the mean of its divisors is an integer number (1833084).

Almost surely, 2^22404030 is an apocalyptic number.

22404030 is an abundant number, since it is smaller than the sum of its proper divisors (36254658).

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

22404030 is a wasteful number, since it uses less digits than its factorization.

22404030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67912.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 22404030 is about 4733.2895537881. The cubic root of 22404030 is about 281.9088533962.

Adding to 22404030 its reverse (3040422), we get a palindrome (25444452).

The spelling of 22404030 in words is "twenty-two million, four hundred four thousand, thirty".