1043222451 has 4 divisors (see below), whose sum is σ = 1390963272. Its totient is φ = 695481632.

The previous prime is 1043222399. The next prime is 1043222461. The reversal of 1043222451 is 1542223401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1542223401 = 3 ⋅514074467.

It is a cyclic number.

It is not a de Polignac number, because 1043222451 - 2²⁵ = 1009668019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1043222461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173870406 + ... + 173870411.

It is an arithmetic number, because the mean of its divisors is an integer number (347740818).

Almost surely, 2^1043222451 is an apocalyptic number.

1043222451 is a deficient number, since it is larger than the sum of its proper divisors (347740821).

1043222451 is an equidigital number, since it uses as much as digits as its factorization.

1043222451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347740820.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1043222451 is about 32298.9543329192. The cubic root of 1043222451 is about 1014.2047532633.

Adding to 1043222451 its reverse (1542223401), we get a palindrome (2585445852).

The spelling of 1043222451 in words is "one billion, forty-three million, two hundred twenty-two thousand, four hundred fifty-one".