2242631642 has 8 divisors (see below), whose sum is σ = 3454865076. Its totient is φ = 1091009952.

The previous prime is 2242631639. The next prime is 2242631647. The reversal of 2242631642 is 2461362422.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2238141481 + 4490161 = 47309^2 + 2119^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2242631599 and 2242631608.

It is not an unprimeable number, because it can be changed into a prime (2242631647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15152843 + ... + 15152990.

Almost surely, 2^2242631642 is an apocalyptic number.

2242631642 is a deficient number, since it is larger than the sum of its proper divisors (1212233434).

2242631642 is a wasteful number, since it uses less digits than its factorization.

2242631642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30305872.

The product of its digits is 27648, while the sum is 32.

The square root of 2242631642 is about 47356.4318968395. The cubic root of 2242631642 is about 1308.9387208950.

The spelling of 2242631642 in words is "two billion, two hundred forty-two million, six hundred thirty-one thousand, six hundred forty-two".