2247644020 has 24 divisors (see below), whose sum is σ = 4736174184. Its totient is φ = 895986816.

The previous prime is 2247644017. The next prime is 2247644059. The reversal of 2247644020 is 204467422.

2247644020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1288379236 + 959264784 = 35894^2 + 30972^2 .

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, 185919 + ... + 197638.

It is an arithmetic number, because the mean of its divisors is an integer number (197340591).

Almost surely, 2^2247644020 is an apocalyptic number.

2247644020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2247644020 is an abundant number, since it is smaller than the sum of its proper divisors (2488530164).

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

2247644020 is a wasteful number, since it uses less digits than its factorization.

2247644020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383859 (or 383857 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 31.

The square root of 2247644020 is about 47409.3241883915. The cubic root of 2247644020 is about 1309.9131733529.

The spelling of 2247644020 in words is "two billion, two hundred forty-seven million, six hundred forty-four thousand, twenty".