2218951383 has 32 divisors (see below), whose sum is σ = 3320497152. Its totient is φ = 1306224000.

The previous prime is 2218951379. The next prime is 2218951391. The reversal of 2218951383 is 3831598122.

It is a happy number.

It is not a de Polignac number, because 2218951383 - 2² = 2218951379 is a prime.

It is a super-2 number, since 2×2218951383² = 9847490480235225378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2218951313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 942658 + ... + 945008.

It is an arithmetic number, because the mean of its divisors is an integer number (103765536).

Almost surely, 2^2218951383 is an apocalyptic number.

2218951383 is a deficient number, since it is larger than the sum of its proper divisors (1101545769).

2218951383 is a wasteful number, since it uses less digits than its factorization.

2218951383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3175.

The product of its digits is 103680, while the sum is 42.

The square root of 2218951383 is about 47105.7468150119. The cubic root of 2218951383 is about 1304.3153208801.

The spelling of 2218951383 in words is "two billion, two hundred eighteen million, nine hundred fifty-one thousand, three hundred eighty-three".