2242546421 has 4 divisors (see below), whose sum is σ = 2360575200. Its totient is φ = 2124517644.

The previous prime is 2242546387. The next prime is 2242546429. The reversal of 2242546421 is 1246452422.

2242546421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2242546421 - 2¹⁸ = 2242284277 is a prime.

It is a super-3 number, since 3×2242546421³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2242546429) 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, 59014361 + ... + 59014398.

It is an arithmetic number, because the mean of its divisors is an integer number (590143800).

Almost surely, 2^2242546421 is an apocalyptic number.

It is an amenable number.

2242546421 is a deficient number, since it is larger than the sum of its proper divisors (118028779).

2242546421 is a wasteful number, since it uses less digits than its factorization.

2242546421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118028778.

The product of its digits is 30720, while the sum is 32.

The square root of 2242546421 is about 47355.5321055524. The cubic root of 2242546421 is about 1308.9221406005.

Adding to 2242546421 its reverse (1246452422), we get a palindrome (3488998843).

The spelling of 2242546421 in words is "two billion, two hundred forty-two million, five hundred forty-six thousand, four hundred twenty-one".