2221157299 has 16 divisors (see below), whose sum is σ = 2320718400. Its totient is φ = 2123218944.

The previous prime is 2221157261. The next prime is 2221157339. The reversal of 2221157299 is 9927511222.

It is a cyclic number.

It is not a de Polignac number, because 2221157299 - 2¹⁹ = 2220633011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221157599) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2887987 + ... + 2888755.

It is an arithmetic number, because the mean of its divisors is an integer number (145044900).

Almost surely, 2^2221157299 is an apocalyptic number.

2221157299 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2221157299 is a deficient number, since it is larger than the sum of its proper divisors (99561101).

2221157299 is a wasteful number, since it uses less digits than its factorization.

2221157299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662.

The product of its digits is 45360, while the sum is 40.

The square root of 2221157299 is about 47129.1555090901. The cubic root of 2221157299 is about 1304.7473954098.

The spelling of 2221157299 in words is "two billion, two hundred twenty-one million, one hundred fifty-seven thousand, two hundred ninety-nine".