1020226453 has 4 divisors (see below), whose sum is σ = 1020356620. Its totient is φ = 1020096288.

The previous prime is 1020226447. The next prime is 1020226463. The reversal of 1020226453 is 3546220201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 58110129 + 962116324 = 7623^2 + 31018^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020226453 - 2⁵ = 1020226421 is a prime.

It is a super-2 number, since 2×1020226453² = 2081724030801922418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020226463) 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, 52518 + ... + 69271.

It is an arithmetic number, because the mean of its divisors is an integer number (255089155).

Almost surely, 2^1020226453 is an apocalyptic number.

It is an amenable number.

1020226453 is a deficient number, since it is larger than the sum of its proper divisors (130167).

1020226453 is an equidigital number, since it uses as much as digits as its factorization.

1020226453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130166.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1020226453 is about 31940.9839078260. The cubic root of 1020226453 is about 1006.6971984049.

Adding to 1020226453 its reverse (3546220201), we get a palindrome (4566446654).

The spelling of 1020226453 in words is "one billion, twenty million, two hundred twenty-six thousand, four hundred fifty-three".