2269009621 has 4 divisors (see below), whose sum is σ = 2388431200. Its totient is φ = 2149588044.

The previous prime is 2269009609. The next prime is 2269009627. The reversal of 2269009621 is 1269009622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2269009621 - 2⁷ = 2269009493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2269009627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59710761 + ... + 59710798.

It is an arithmetic number, because the mean of its divisors is an integer number (597107800).

Almost surely, 2^2269009621 is an apocalyptic number.

It is an amenable number.

2269009621 is a deficient number, since it is larger than the sum of its proper divisors (119421579).

2269009621 is a wasteful number, since it uses less digits than its factorization.

2269009621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119421578.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 2269009621 is about 47634.1224438952. The cubic root of 2269009621 is about 1314.0506713554.

Subtracting from 2269009621 its reverse (1269009622), we obtain a palindrome (999999999).

The spelling of 2269009621 in words is "two billion, two hundred sixty-nine million, nine thousand, six hundred twenty-one".