2226521451 has 16 divisors (see below), whose sum is σ = 3701230848. Its totient is φ = 1156634400.

The previous prime is 2226521419. The next prime is 2226521471. The reversal of 2226521451 is 1541256222.

It is not a de Polignac number, because 2226521451 - 2⁵ = 2226521419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2226521471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4819080 + ... + 4819541.

It is an arithmetic number, because the mean of its divisors is an integer number (231326928).

Almost surely, 2^2226521451 is an apocalyptic number.

2226521451 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2226521451 is a deficient number, since it is larger than the sum of its proper divisors (1474709397).

2226521451 is a wasteful number, since it uses less digits than its factorization.

2226521451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9638642.

The product of its digits is 9600, while the sum is 30.

The square root of 2226521451 is about 47186.0302526076. The cubic root of 2226521451 is about 1305.7968838538.

Adding to 2226521451 its reverse (1541256222), we get a palindrome (3767777673).

The spelling of 2226521451 in words is "two billion, two hundred twenty-six million, five hundred twenty-one thousand, four hundred fifty-one".