2247371021 has 8 divisors (see below), whose sum is σ = 2571597504. Its totient is φ = 1923937920.

The previous prime is 2247371011. The next prime is 2247371039. The reversal of 2247371021 is 1201737422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2247371021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2247371011) 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, 192260 + ... + 203613.

It is an arithmetic number, because the mean of its divisors is an integer number (321449688).

Almost surely, 2^2247371021 is an apocalyptic number.

It is an amenable number.

2247371021 is a deficient number, since it is larger than the sum of its proper divisors (324226483).

2247371021 is an equidigital number, since it uses as much as digits as its factorization.

2247371021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396691.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 2247371021 is about 47406.4449310429. Note that the first 3 decimals coincide. The cubic root of 2247371021 is about 1309.8601371570.

The spelling of 2247371021 in words is "two billion, two hundred forty-seven million, three hundred seventy-one thousand, twenty-one".