2248021901 has 2 divisors, whose sum is σ = 2248021902. Its totient is φ = 2248021900.

The previous prime is 2248021889. The next prime is 2248021921. The reversal of 2248021901 is 1091208422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2002473001 + 245548900 = 44749^2 + 15670^2 .

It is a cyclic number.

It is not a de Polignac number, because 2248021901 - 2²⁶ = 2180913037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2248021921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1124010950 + 1124010951.

It is an arithmetic number, because the mean of its divisors is an integer number (1124010951).

Almost surely, 2^2248021901 is an apocalyptic number.

It is an amenable number.

2248021901 is a deficient number, since it is larger than the sum of its proper divisors (1).

2248021901 is an equidigital number, since it uses as much as digits as its factorization.

2248021901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 2248021901 is about 47413.3093234379. The cubic root of 2248021901 is about 1309.9865781505.

The spelling of 2248021901 in words is "two billion, two hundred forty-eight million, twenty-one thousand, nine hundred one".