2242121436 has 36 divisors (see below), whose sum is σ = 5739333600. Its totient is φ = 737912448.

The previous prime is 2242121383. The next prime is 2242121447. The reversal of 2242121436 is 6341212422.

2242121436 is a `hidden beast` number, since 22 + 421 + 214 + 3 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 391341 + ... + 397028.

Almost surely, 2^2242121436 is an apocalyptic number.

It is an amenable number.

2242121436 is an abundant number, since it is smaller than the sum of its proper divisors (3497212164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2242121436 is a wasteful number, since it uses less digits than its factorization.

2242121436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788458 (or 788453 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 2242121436 is about 47351.0447192034. The cubic root of 2242121436 is about 1308.8394507597.

Adding to 2242121436 its reverse (6341212422), we get a palindrome (8583333858).

The spelling of 2242121436 in words is "two billion, two hundred forty-two million, one hundred twenty-one thousand, four hundred thirty-six".