2202031381 has 4 divisors (see below), whose sum is σ = 2402216064. Its totient is φ = 2001846700.

The previous prime is 2202031379. The next prime is 2202031387. The reversal of 2202031381 is 1831302022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2202031381 - 2¹ = 2202031379 is a prime.

It is a super-2 number, since 2×2202031381² = 9697884405817534322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202031387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100092325 + ... + 100092346.

It is an arithmetic number, because the mean of its divisors is an integer number (600554016).

Almost surely, 2^2202031381 is an apocalyptic number.

It is an amenable number.

2202031381 is a deficient number, since it is larger than the sum of its proper divisors (200184683).

2202031381 is a wasteful number, since it uses less digits than its factorization.

2202031381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200184682.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2202031381 is about 46925.8071960409. The cubic root of 2202031381 is about 1300.9916262459.

The spelling of 2202031381 in words is "two billion, two hundred two million, thirty-one thousand, three hundred eighty-one".