2242138408 has 8 divisors (see below), whose sum is σ = 4204009530. Its totient is φ = 1121069200.

The previous prime is 2242138369. The next prime is 2242138411. The reversal of 2242138408 is 8048312422.

It can be written as a sum of positive squares in only one way, i.e., 2203175844 + 38962564 = 46938^2 + 6242^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 140133643 + ... + 140133658.

Almost surely, 2^2242138408 is an apocalyptic number.

It is an amenable number.

2242138408 is a deficient number, since it is larger than the sum of its proper divisors (1961871122).

2242138408 is a wasteful number, since it uses less digits than its factorization.

2242138408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280267307 (or 280267303 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 2242138408 is about 47351.2239334951. The cubic root of 2242138408 is about 1308.8427532224.

The spelling of 2242138408 in words is "two billion, two hundred forty-two million, one hundred thirty-eight thousand, four hundred eight".