2152224730 has 8 divisors (see below), whose sum is σ = 3874004532. Its totient is φ = 860889888.

The previous prime is 2152224727. The next prime is 2152224731. The reversal of 2152224730 is 374222512.

It can be written as a sum of positive squares in 2 ways, for example, as 2056713201 + 95511529 = 45351^2 + 9773^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2152224731) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 107611227 + ... + 107611246.

Almost surely, 2^2152224730 is an apocalyptic number.

2152224730 is a deficient number, since it is larger than the sum of its proper divisors (1721779802).

2152224730 is a wasteful number, since it uses less digits than its factorization.

2152224730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215222480.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 2152224730 is about 46392.0761553091. The cubic root of 2152224730 is about 1291.1079018533.

The spelling of 2152224730 in words is "two billion, one hundred fifty-two million, two hundred twenty-four thousand, seven hundred thirty".