226470137 has 4 divisors (see below), whose sum is σ = 226503156. Its totient is φ = 226437120.

The previous prime is 226470133. The next prime is 226470149. The reversal of 226470137 is 731074622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 731074622 = 2 ⋅365537311.

It can be written as a sum of positive squares in 2 ways, for example, as 12988816 + 213481321 = 3604^2 + 14611^2 .

It is a cyclic number.

It is not a de Polignac number, because 226470137 - 2² = 226470133 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226470131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1928 + ... + 21369.

It is an arithmetic number, because the mean of its divisors is an integer number (56625789).

Almost surely, 2^226470137 is an apocalyptic number.

It is an amenable number.

226470137 is a deficient number, since it is larger than the sum of its proper divisors (33019).

226470137 is an equidigital number, since it uses as much as digits as its factorization.

226470137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33018.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 226470137 is about 15048.9247788671. The cubic root of 226470137 is about 609.5420167123.

The spelling of 226470137 in words is "two hundred twenty-six million, four hundred seventy thousand, one hundred thirty-seven".