151331226 has 8 divisors (see below), whose sum is σ = 302662464. Its totient is φ = 50443740.

The previous prime is 151331209. The next prime is 151331249. The reversal of 151331226 is 622133151.

151331226 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

151331226 is an admirable number.

It is a super-2 number, since 2×151331226² = 45802279925326152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 151331196 and 151331205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12610930 + ... + 12610941.

It is an arithmetic number, because the mean of its divisors is an integer number (37832808).

Almost surely, 2^151331226 is an apocalyptic number.

151331226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151331226 is a wasteful number, since it uses less digits than its factorization.

151331226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25221876.

The product of its digits is 1080, while the sum is 24.

The square root of 151331226 is about 12301.6757395080. The cubic root of 151331226 is about 532.8964782926.

Adding to 151331226 its reverse (622133151), we get a palindrome (773464377).

The spelling of 151331226 in words is "one hundred fifty-one million, three hundred thirty-one thousand, two hundred twenty-six".