2242400421 has 32 divisors (see below), whose sum is σ = 3117616128. Its totient is φ = 1432569600.

The previous prime is 2242400417. The next prime is 2242400431. The reversal of 2242400421 is 1240042422.

It is not a de Polignac number, because 2242400421 - 2² = 2242400417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2242400411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3465520 + ... + 3466166.

It is an arithmetic number, because the mean of its divisors is an integer number (97425504).

Almost surely, 2^2242400421 is an apocalyptic number.

It is an amenable number.

2242400421 is a deficient number, since it is larger than the sum of its proper divisors (875215707).

2242400421 is a wasteful number, since it uses less digits than its factorization.

2242400421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 2242400421 is about 47353.9905498998. The cubic root of 2242400421 is about 1308.8937343836.

Adding to 2242400421 its reverse (1240042422), we get a palindrome (3482442843).

The spelling of 2242400421 in words is "two billion, two hundred forty-two million, four hundred thousand, four hundred twenty-one".