2247294420 has 144 divisors (see below), whose sum is σ = 7862574720. Its totient is φ = 508923648.

The previous prime is 2247294341. The next prime is 2247294431. The reversal of 2247294420 is 244927422.

2247294420 is a `hidden beast` number, since 224 + 7 + 2 + 9 + 4 + 420 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 129159 + ... + 145521.

Almost surely, 2^2247294420 is an apocalyptic number.

2247294420 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 2247294420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3931287360).

2247294420 is an abundant number, since it is smaller than the sum of its proper divisors (5615280300).

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

2247294420 is a wasteful number, since it uses less digits than its factorization.

2247294420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16494 (or 16489 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 2247294420 is about 47405.6370065839. The cubic root of 2247294420 is about 1309.8452549183.

The spelling of 2247294420 in words is "two billion, two hundred forty-seven million, two hundred ninety-four thousand, four hundred twenty".