155842226 has 4 divisors (see below), whose sum is σ = 233763342. Its totient is φ = 77921112.

The previous prime is 155842223. The next prime is 155842241. The reversal of 155842226 is 622248551.

155842226 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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., 79192201 + 76650025 = 8899^2 + 8755^2 .

It is not an unprimeable number, because it can be changed into a prime (155842223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38960555 + ... + 38960558.

Almost surely, 2^155842226 is an apocalyptic number.

155842226 is a deficient number, since it is larger than the sum of its proper divisors (77921116).

155842226 is an equidigital number, since it uses as much as digits as its factorization.

155842226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77921115.

The product of its digits is 38400, while the sum is 35.

The square root of 155842226 is about 12483.6783841943. The cubic root of 155842226 is about 538.1397190127.

The spelling of 155842226 in words is "one hundred fifty-five million, eight hundred forty-two thousand, two hundred twenty-six".