2243227521 has 8 divisors (see below), whose sum is σ = 3018410560. Its totient is φ = 1481764752.

The previous prime is 2243227507. The next prime is 2243227531. The reversal of 2243227521 is 1257223422.

2243227521 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2243227521 - 2¹¹ = 2243225473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2243227531) 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, 3429685 + ... + 3430338.

It is an arithmetic number, because the mean of its divisors is an integer number (377301320).

Almost surely, 2^2243227521 is an apocalyptic number.

It is an amenable number.

2243227521 is a deficient number, since it is larger than the sum of its proper divisors (775183039).

2243227521 is a wasteful number, since it uses less digits than its factorization.

2243227521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6860135.

The product of its digits is 13440, while the sum is 30.

The square root of 2243227521 is about 47362.7229052554. The cubic root of 2243227521 is about 1309.0546412586.

The spelling of 2243227521 in words is "two billion, two hundred forty-three million, two hundred twenty-seven thousand, five hundred twenty-one".