1011222453 has 4 divisors (see below), whose sum is σ = 1348296608. Its totient is φ = 674148300.

The previous prime is 1011222419. The next prime is 1011222493. The reversal of 1011222453 is 3542221101.

1011222453 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, and also an emirpimes, since its reverse is a distinct semiprime: 3542221101 = 3 ⋅1180740367.

It is not a de Polignac number, because 1011222453 - 2⁹ = 1011221941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011222413) 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, 168537073 + ... + 168537078.

It is an arithmetic number, because the mean of its divisors is an integer number (337074152).

Almost surely, 2^1011222453 is an apocalyptic number.

It is an amenable number.

1011222453 is a deficient number, since it is larger than the sum of its proper divisors (337074155).

1011222453 is an equidigital number, since it uses as much as digits as its factorization.

1011222453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337074154.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1011222453 is about 31799.7241025767. The cubic root of 1011222453 is about 1003.7269105490.

Adding to 1011222453 its reverse (3542221101), we get a palindrome (4553443554).

The spelling of 1011222453 in words is "one billion, eleven million, two hundred twenty-two thousand, four hundred fifty-three".