2244372421 has 2 divisors, whose sum is σ = 2244372422. Its totient is φ = 2244372420.

The previous prime is 2244372337. The next prime is 2244372443. The reversal of 2244372421 is 1242734422.

2244372421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1325979396 + 918393025 = 36414^2 + 30305^2 .

It is a cyclic number.

It is not a de Polignac number, because 2244372421 - 2¹³ = 2244364229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2244372461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1122186210 + 1122186211.

It is an arithmetic number, because the mean of its divisors is an integer number (1122186211).

Almost surely, 2^2244372421 is an apocalyptic number.

It is an amenable number.

2244372421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2244372421 is an equidigital number, since it uses as much as digits as its factorization.

2244372421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21504, while the sum is 31.

The square root of 2244372421 is about 47374.8078729613. The cubic root of 2244372421 is about 1309.2773087829.

It can be divided in two parts, 22443 and 72421, that added together give a square (94864 = 308²).

The spelling of 2244372421 in words is "two billion, two hundred forty-four million, three hundred seventy-two thousand, four hundred twenty-one".