2215611002 has 16 divisors (see below), whose sum is σ = 3626271072. Its totient is φ = 1006894320.

The previous prime is 2215610987. The next prime is 2215611017. The reversal of 2215611002 is 2001165122.

It is an interprime number because it is at equal distance from previous prime (2215610987) and next prime (2215611017).

It is a super-2 number, since 2×2215611002² = 9817864224366888008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195413 + ... + 206439.

It is an arithmetic number, because the mean of its divisors is an integer number (226641942).

Almost surely, 2^2215611002 is an apocalyptic number.

2215611002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2215611002 is a deficient number, since it is larger than the sum of its proper divisors (1410660070).

2215611002 is a wasteful number, since it uses less digits than its factorization.

2215611002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20173.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 2215611002 is about 47070.2772670822. The cubic root of 2215611002 is about 1303.6604923189.

Adding to 2215611002 its reverse (2001165122), we get a palindrome (4216776124).

The spelling of 2215611002 in words is "two billion, two hundred fifteen million, six hundred eleven thousand, two".