2242351381 has 2 divisors, whose sum is σ = 2242351382. Its totient is φ = 2242351380.

The previous prime is 2242351343. The next prime is 2242351387. The reversal of 2242351381 is 1831532422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1917126225 + 325225156 = 43785^2 + 18034^2 .

It is a cyclic number.

It is not a de Polignac number, because 2242351381 - 2²¹ = 2240254229 is a prime.

It is a super-2 number, since 2×2242351381² = 10056279431745214322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2242351387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121175690 + 1121175691.

It is an arithmetic number, because the mean of its divisors is an integer number (1121175691).

Almost surely, 2^2242351381 is an apocalyptic number.

It is an amenable number.

2242351381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2242351381 is an equidigital number, since it uses as much as digits as its factorization.

2242351381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 31.

The square root of 2242351381 is about 47353.4727448790. The cubic root of 2242351381 is about 1308.8841927311.

The spelling of 2242351381 in words is "two billion, two hundred forty-two million, three hundred fifty-one thousand, three hundred eighty-one".