147994226 has 8 divisors (see below), whose sum is σ = 222055020. Its totient is φ = 73975888.

The previous prime is 147994199. The next prime is 147994247. The reversal of 147994226 is 622499741.

It can be written as a sum of positive squares in 2 ways, for example, as 132273001 + 15721225 = 11501^2 + 3965^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380 + ... + 17208.

Almost surely, 2^147994226 is an apocalyptic number.

147994226 is a deficient number, since it is larger than the sum of its proper divisors (74060794).

147994226 is a wasteful number, since it uses less digits than its factorization.

147994226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21228.

The product of its digits is 217728, while the sum is 44.

The square root of 147994226 is about 12165.2877483436. The cubic root of 147994226 is about 528.9503683531.

The spelling of 147994226 in words is "one hundred forty-seven million, nine hundred ninety-four thousand, two hundred twenty-six".