1451355226 has 4 divisors (see below), whose sum is σ = 2177032842. Its totient is φ = 725677612.

The previous prime is 1451355173. The next prime is 1451355251. The reversal of 1451355226 is 6225531541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6225531541 = 5449 ⋅1142509.

It can be written as a sum of positive squares in only one way, i.e., 1424987001 + 26368225 = 37749^2 + 5135^2 .

It is a super-2 number, since 2×1451355226² = 4212863984075022152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1451355191 and 1451355200.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362838805 + ... + 362838808.

Almost surely, 2^1451355226 is an apocalyptic number.

1451355226 is a deficient number, since it is larger than the sum of its proper divisors (725677616).

1451355226 is an equidigital number, since it uses as much as digits as its factorization.

1451355226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725677615.

The product of its digits is 36000, while the sum is 34.

The square root of 1451355226 is about 38096.6563624683. The cubic root of 1451355226 is about 1132.2037101082.

Adding to 1451355226 its reverse (6225531541), we get a palindrome (7676886767).

The spelling of 1451355226 in words is "one billion, four hundred fifty-one million, three hundred fifty-five thousand, two hundred twenty-six".