2221452426 has 16 divisors (see below), whose sum is σ = 4445015328. Its totient is φ = 740132400.

The previous prime is 2221452419. The next prime is 2221452427. The reversal of 2221452426 is 6242541222.

It is a junction number, because it is equal to n+sod(n) for n = 2221452393 and 2221452402.

It is not an unprimeable number, because it can be changed into a prime (2221452427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74085 + ... + 99656.

It is an arithmetic number, because the mean of its divisors is an integer number (277813458).

Almost surely, 2^2221452426 is an apocalyptic number.

2221452426 is an abundant number, since it is smaller than the sum of its proper divisors (2223562902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221452426 is a wasteful number, since it uses less digits than its factorization.

2221452426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175877.

The product of its digits is 15360, while the sum is 30.

The square root of 2221452426 is about 47132.2864499485. The cubic root of 2221452426 is about 1304.8051804710.

Adding to 2221452426 its reverse (6242541222), we get a palindrome (8463993648).

The spelling of 2221452426 in words is "two billion, two hundred twenty-one million, four hundred fifty-two thousand, four hundred twenty-six".