2122770 has 32 divisors (see below), whose sum is σ = 5487552. Its totient is φ = 522432.

The previous prime is 2122753. The next prime is 2122777. The reversal of 2122770 is 772212.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2122777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2332 + ... + 3111.

It is an arithmetic number, because the mean of its divisors is an integer number (171486).

2^2122770 is an apocalyptic number.

2122770 is an abundant number, since it is smaller than the sum of its proper divisors (3364782).

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

2122770 is a wasteful number, since it uses less digits than its factorization.

2122770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5466.

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 2122770 is about 1456.9728892467. The cubic root of 2122770 is about 128.5190915731.

Adding to 2122770 its reverse (772212), we get a palindrome (2894982).

It can be divided in two parts, 21 and 22770, that added together give a triangular number (22791 = T₂₁₃).

The spelling of 2122770 in words is "two million, one hundred twenty-two thousand, seven hundred seventy".