2223430040 has 128 divisors (see below), whose sum is σ = 5511240000. Its totient is φ = 802357248.

The previous prime is 2223430031. The next prime is 2223430057. The reversal of 2223430040 is 400343222.

It is a super-2 number, since 2×2223430040² = 9887282285548803200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2223429994 and 2223430021.

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 31 ways as a sum of consecutive naturals, for example, 4951736 + ... + 4952184.

Almost surely, 2^2223430040 is an apocalyptic number.

2223430040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2223430040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2755620000).

2223430040 is an abundant number, since it is smaller than the sum of its proper divisors (3287809960).

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

2223430040 is a wasteful number, since it uses less digits than its factorization.

2223430040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669 (or 665 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 2223430040 is about 47153.2611809618. The cubic root of 2223430040 is about 1305.1922599060.

Adding to 2223430040 its reverse (400343222), we get a palindrome (2623773262).

The spelling of 2223430040 in words is "two billion, two hundred twenty-three million, four hundred thirty thousand, forty".