2221197357 has 16 divisors (see below), whose sum is σ = 3044842112. Its totient is φ = 1439259840.

The previous prime is 2221197347. The next prime is 2221197371. The reversal of 2221197357 is 7537911222.

It is not a de Polignac number, because 2221197357 - 2⁷ = 2221197229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221197347) 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, 100632 + ... + 120702.

It is an arithmetic number, because the mean of its divisors is an integer number (190302632).

Almost surely, 2^2221197357 is an apocalyptic number.

It is an amenable number.

2221197357 is a deficient number, since it is larger than the sum of its proper divisors (823644755).

2221197357 is a wasteful number, since it uses less digits than its factorization.

2221197357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21108.

The product of its digits is 52920, while the sum is 39.

The square root of 2221197357 is about 47129.5804882666. The cubic root of 2221197357 is about 1304.7552389571.

The spelling of 2221197357 in words is "two billion, two hundred twenty-one million, one hundred ninety-seven thousand, three hundred fifty-seven".