1056225433 has 4 divisors (see below), whose sum is σ = 1056574900. Its totient is φ = 1055875968.

The previous prime is 1056225311. The next prime is 1056225437. The reversal of 1056225433 is 3345226501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3345226501 = 44909 ⋅74489.

It can be written as a sum of positive squares in 2 ways, for example, as 486114304 + 570111129 = 22048^2 + 23877^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1056225433 is a prime.

It is a super-2 number, since 2×1056225433² = 2231224330632074978, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1056225395 and 1056225404.

It is not an unprimeable number, because it can be changed into a prime (1056225437) 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, 170160 + ... + 176257.

It is an arithmetic number, because the mean of its divisors is an integer number (264143725).

Almost surely, 2^1056225433 is an apocalyptic number.

It is an amenable number.

1056225433 is a deficient number, since it is larger than the sum of its proper divisors (349467).

1056225433 is an equidigital number, since it uses as much as digits as its factorization.

1056225433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349466.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 1056225433 is about 32499.6220439561. The cubic root of 1056225433 is about 1018.4011324402.

The spelling of 1056225433 in words is "one billion, fifty-six million, two hundred twenty-five thousand, four hundred thirty-three".