2051226 has 12 divisors (see below), whose sum is σ = 4444362. Its totient is φ = 683736.

The previous prime is 2051219. The next prime is 2051233. The reversal of 2051226 is 6221502.

It is an interprime number because it is at equal distance from previous prime (2051219) and next prime (2051233).

It can be written as a sum of positive squares in only one way, i.e., 1320201 + 731025 = 1149^2 + 855^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 113957 = 2051226 / (2 + 0 + 5 + 1 + 2 + 2 + 6).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2051199 and 2051208.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56961 + ... + 56996.

2^2051226 is an apocalyptic number.

2051226 is an abundant number, since it is smaller than the sum of its proper divisors (2393136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2051226 is a wasteful number, since it uses less digits than its factorization.

2051226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113965 (or 113962 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2051226 is about 1432.2101801063. The cubic root of 2051226 is about 127.0587282891.

Adding to 2051226 its reverse (6221502), we get a palindrome (8272728).

It can be divided in two parts, 205 and 1226, that added together give a triangular number (1431 = T₅₃).

The spelling of 2051226 in words is "two million, fifty-one thousand, two hundred twenty-six".