1533130226 has 4 divisors (see below), whose sum is σ = 2299695342. Its totient is φ = 766565112.

The previous prime is 1533130201. The next prime is 1533130229. The reversal of 1533130226 is 6220313351.

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

It can be written as a sum of positive squares in only one way, i.e., 1470799201 + 62331025 = 38351^2 + 7895^2 .

It is a super-2 number, since 2×1533130226² = 4700976579749622152, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1533130195 and 1533130204.

It is not an unprimeable number, because it can be changed into a prime (1533130229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383282555 + ... + 383282558.

Almost surely, 2^1533130226 is an apocalyptic number.

1533130226 is a deficient number, since it is larger than the sum of its proper divisors (766565116).

1533130226 is an equidigital number, since it uses as much as digits as its factorization.

1533130226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766565115.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 1533130226 is about 39155.2068823547. The cubic root of 1533130226 is about 1153.0806439814.

Adding to 1533130226 its reverse (6220313351), we get a palindrome (7753443577).

The spelling of 1533130226 in words is "one billion, five hundred thirty-three million, one hundred thirty thousand, two hundred twenty-six".