2220359651 has 4 divisors (see below), whose sum is σ = 2220758904. Its totient is φ = 2219960400.

The previous prime is 2220359623. The next prime is 2220359731. The reversal of 2220359651 is 1569530222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2220359651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220359621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191165 + ... + 202446.

It is an arithmetic number, because the mean of its divisors is an integer number (555189726).

Almost surely, 2^2220359651 is an apocalyptic number.

2220359651 is a deficient number, since it is larger than the sum of its proper divisors (399253).

2220359651 is an equidigital number, since it uses as much as digits as its factorization.

2220359651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399252.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 2220359651 is about 47120.6923866787. The cubic root of 2220359651 is about 1304.5911924917.

Adding to 2220359651 its reverse (1569530222), we get a palindrome (3789889873).

The spelling of 2220359651 in words is "two billion, two hundred twenty million, three hundred fifty-nine thousand, six hundred fifty-one".