2215701450 has 72 divisors (see below), whose sum is σ = 5958392076. Its totient is φ = 590304000.

The previous prime is 2215701437. The next prime is 2215701491. The reversal of 2215701450 is 541075122.

It can be written as a sum of positive squares in 6 ways, for example, as 1134409761 + 1081291689 = 33681^2 + 32883^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 773020 + ... + 775880.

Almost surely, 2^2215701450 is an apocalyptic number.

2215701450 is an abundant number, since it is smaller than the sum of its proper divisors (3742690626).

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

2215701450 is a wasteful number, since it uses less digits than its factorization.

2215701450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4600 (or 4592 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 2215701450 is about 47071.2380334318. The cubic root of 2215701450 is about 1303.6782318769.

Adding to 2215701450 its reverse (541075122), we get a palindrome (2756776572).

The spelling of 2215701450 in words is "two billion, two hundred fifteen million, seven hundred one thousand, four hundred fifty".