149206226 has 16 divisors (see below), whose sum is σ = 241374168. Its totient is φ = 68764800.

The previous prime is 149206219. The next prime is 149206241. The reversal of 149206226 is 622602941.

It is a Cunningham number, because it is equal to 12215²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 22080601 + 127125625 = 4699^2 + 11275^2 .

It is a junction number, because it is equal to n+sod(n) for n = 149206192 and 149206201.

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 7 ways as a sum of consecutive naturals, for example, 16016 + ... + 23556.

Almost surely, 2^149206226 is an apocalyptic number.

149206226 is a deficient number, since it is larger than the sum of its proper divisors (92167942).

149206226 is a wasteful number, since it uses less digits than its factorization.

149206226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8317.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 149206226 is about 12215.0000409333. Note that the first 4 decimals coincide. The cubic root of 149206226 is about 530.3903923279.

The spelling of 149206226 in words is "one hundred forty-nine million, two hundred six thousand, two hundred twenty-six".