2291224450 has 24 divisors (see below), whose sum is σ = 4342091508. Its totient is φ = 899196480.

The previous prime is 2291224433. The next prime is 2291224471. The reversal of 2291224450 is 544221922.

It can be written as a sum of positive squares in 6 ways, for example, as 293402641 + 1997821809 = 17129^2 + 44697^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 429657 + ... + 434956.

Almost surely, 2^2291224450 is an apocalyptic number.

2291224450 is a deficient number, since it is larger than the sum of its proper divisors (2050867058).

2291224450 is a wasteful number, since it uses less digits than its factorization.

2291224450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864678 (or 864673 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 2291224450 is about 47866.7363625305. The cubic root of 2291224450 is about 1318.3251734627.

The spelling of 2291224450 in words is "two billion, two hundred ninety-one million, two hundred twenty-four thousand, four hundred fifty".