1053440722 has 4 divisors (see below), whose sum is σ = 1580161086. Its totient is φ = 526720360.

The previous prime is 1053440711. The next prime is 1053440723. The reversal of 1053440722 is 2270443501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2270443501 = 1109 ⋅2047289.

It can be written as a sum of positive squares in only one way, i.e., 1053067401 + 373321 = 32451^2 + 611^2 .

It is a super-2 number, since 2×1053440722² = 2219474709535762568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1053440723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263360179 + ... + 263360182.

Almost surely, 2^1053440722 is an apocalyptic number.

1053440722 is a deficient number, since it is larger than the sum of its proper divisors (526720364).

1053440722 is an equidigital number, since it uses as much as digits as its factorization.

1053440722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526720363.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 1053440722 is about 32456.7515626564. The cubic root of 1053440722 is about 1017.5053486710.

The spelling of 1053440722 in words is "one billion, fifty-three million, four hundred forty thousand, seven hundred twenty-two".