1902226 has 8 divisors (see below), whose sum is σ = 2951820. Its totient is φ = 918288.

The previous prime is 1902221. The next prime is 1902239. The reversal of 1902226 is 6222091.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1651225 + 251001 = 1285^2 + 501^2 .

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

It is a pancake number, because a pancake can be divided into 1902226 parts by 1950 straight cuts.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 1902197 and 1902206.

It is not an unprimeable number, because it can be changed into a prime (1902221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16341 + ... + 16456.

2^1902226 is an apocalyptic number.

1902226 is a deficient number, since it is larger than the sum of its proper divisors (1049594).

1902226 is a wasteful number, since it uses less digits than its factorization.

1902226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32828.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1902226 is about 1379.2120939145. The cubic root of 1902226 is about 123.9045832042.

The spelling of 1902226 in words is "one million, nine hundred two thousand, two hundred twenty-six".