2906122 has 4 divisors (see below), whose sum is σ = 4359186. Its totient is φ = 1453060.

The previous prime is 2906089. The next prime is 2906129. The reversal of 2906122 is 2216092.

It is a happy number.

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., 2374681 + 531441 = 1541^2 + 729^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 2906093 and 2906102.

It is not an unprimeable number, because it can be changed into a prime (2906129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726529 + ... + 726532.

2^2906122 is an apocalyptic number.

2906122 is a deficient number, since it is larger than the sum of its proper divisors (1453064).

2906122 is a wasteful number, since it uses less digits than its factorization.

2906122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453063.

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

The square root of 2906122 is about 1704.7351700484. The cubic root of 2906122 is about 142.7045917265.

The spelling of 2906122 in words is "two million, nine hundred six thousand, one hundred twenty-two".