2221471458 has 24 divisors (see below), whose sum is σ = 4818361548. Its totient is φ = 739694592.

The previous prime is 2221471457. The next prime is 2221471459. The reversal of 2221471458 is 8541741222.

It is an interprime number because it is at equal distance from previous prime (2221471457) and next prime (2221471459).

It can be written as a sum of positive squares in 2 ways, for example, as 2156394969 + 65076489 = 46437^2 + 8067^2 .

It is not an unprimeable number, because it can be changed into a prime (2221471457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48991 + ... + 82722.

Almost surely, 2^2221471458 is an apocalyptic number.

2221471458 is an abundant number, since it is smaller than the sum of its proper divisors (2596890090).

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

2221471458 is a wasteful number, since it uses less digits than its factorization.

2221471458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132658 (or 132655 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 2221471458 is about 47132.4883493329. The cubic root of 2221471458 is about 1304.8089067090.

The spelling of 2221471458 in words is "two billion, two hundred twenty-one million, four hundred seventy-one thousand, four hundred fifty-eight".