222896371381 has 4 divisors (see below), whose sum is σ = 224523352332. Its totient is φ = 221269390432.

The previous prime is 222896371343. The next prime is 222896371429. The reversal of 222896371381 is 183173698222.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 190348964100 + 32547407281 = 436290^2 + 180409^2 .

It is a cyclic number.

It is not a de Polignac number, because 222896371381 - 2¹³ = 222896363189 is a prime.

It is a super-2 number, since 2×222896371381² (a number of 23 digits) 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 (222896371331) 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, 813490270 + ... + 813490543.

It is an arithmetic number, because the mean of its divisors is an integer number (56130838083).

Almost surely, 2^222896371381 is an apocalyptic number.

It is an amenable number.

222896371381 is a deficient number, since it is larger than the sum of its proper divisors (1626980951).

222896371381 is a wasteful number, since it uses less digits than its factorization.

222896371381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626980950.

The product of its digits is 1741824, while the sum is 52.

The spelling of 222896371381 in words is "two hundred twenty-two billion, eight hundred ninety-six million, three hundred seventy-one thousand, three hundred eighty-one".