2355022421 has 4 divisors (see below), whose sum is σ = 2356093632. Its totient is φ = 2353951212.

The previous prime is 2355022403. The next prime is 2355022429. The reversal of 2355022421 is 1242205532.

2355022421 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 a de Polignac number, because none of the positive numbers 2^k-2355022421 is a prime.

It is a super-2 number, since 2×2355022421² = 11092261206825402482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2355022429) 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, 532301 + ... + 536706.

It is an arithmetic number, because the mean of its divisors is an integer number (589023408).

Almost surely, 2^2355022421 is an apocalyptic number.

It is an amenable number.

2355022421 is a deficient number, since it is larger than the sum of its proper divisors (1071211).

2355022421 is a wasteful number, since it uses less digits than its factorization.

2355022421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071210.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2355022421 is about 48528.5732429875. The cubic root of 2355022421 is about 1330.4493593445.

Adding to 2355022421 its reverse (1242205532), we get a palindrome (3597227953).

The spelling of 2355022421 in words is "two billion, three hundred fifty-five million, twenty-two thousand, four hundred twenty-one".