2299420640 has 48 divisors (see below), whose sum is σ = 5926238640. Its totient is φ = 836152320.

The previous prime is 2299420633. The next prime is 2299420703. The reversal of 2299420640 is 460249922.

It is a junction number, because it is equal to n+sod(n) for n = 2299420594 and 2299420603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651485 + ... + 655004.

It is an arithmetic number, because the mean of its divisors is an integer number (123463305).

Almost surely, 2^2299420640 is an apocalyptic number.

2299420640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2299420640 is an abundant number, since it is smaller than the sum of its proper divisors (3626818000).

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

2299420640 is a wasteful number, since it uses less digits than its factorization.

2299420640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306515 (or 1306507 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 2299420640 is about 47952.2746071550. The cubic root of 2299420640 is about 1319.8952778874.

It can be divided in two parts, 22994 and 20640, that added together give a palindrome (43634).

The spelling of 2299420640 in words is "two billion, two hundred ninety-nine million, four hundred twenty thousand, six hundred forty".