2262246640 has 40 divisors (see below), whose sum is σ = 5331788208. Its totient is φ = 892500480.

The previous prime is 2262246631. The next prime is 2262246643. The reversal of 2262246640 is 466422622.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 2262246596 and 2262246605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2262246643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187846 + ... + 199525.

Almost surely, 2^2262246640 is an apocalyptic number.

2262246640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2262246640 is an abundant number, since it is smaller than the sum of its proper divisors (3069541568).

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

2262246640 is a wasteful number, since it uses less digits than its factorization.

2262246640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387457 (or 387451 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 2262246640 is about 47563.0806403454. The cubic root of 2262246640 is about 1312.7438245731.

The spelling of 2262246640 in words is "two billion, two hundred sixty-two million, two hundred forty-six thousand, six hundred forty".