22040430 has 32 divisors (see below), whose sum is σ = 53111808. Its totient is φ = 5853600.

The previous prime is 22040429. The next prime is 22040441. The reversal of 22040430 is 3404022.

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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6775 + ... + 9485.

It is an arithmetic number, because the mean of its divisors is an integer number (1659744).

Almost surely, 2^22040430 is an apocalyptic number.

22040430 is an abundant number, since it is smaller than the sum of its proper divisors (31071378).

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

22040430 is a wasteful number, since it uses less digits than its factorization.

22040430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992.

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

The square root of 22040430 is about 4694.7236340385. The cubic root of 22040430 is about 280.3754741631.

Adding to 22040430 its reverse (3404022), we get a palindrome (25444452).

The spelling of 22040430 in words is "twenty-two million, forty thousand, four hundred thirty".