2122550 has 12 divisors (see below), whose sum is σ = 3948036. Its totient is φ = 849000.

The previous prime is 2122531. The next prime is 2122553. The reversal of 2122550 is 552212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21176 + ... + 21275.

It is an arithmetic number, because the mean of its divisors is an integer number (329003).

2^2122550 is an apocalyptic number.

2122550 is a deficient number, since it is larger than the sum of its proper divisors (1825486).

2122550 is a wasteful number, since it uses less digits than its factorization.

2122550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42463 (or 42458 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 2122550 is about 1456.8973882879. The cubic root of 2122550 is about 128.5146515918.

Adding to 2122550 its reverse (552212), we get a palindrome (2674762).

The spelling of 2122550 in words is "two million, one hundred twenty-two thousand, five hundred fifty".