2199450 has 96 divisors (see below), whose sum is σ = 6285312. Its totient is φ = 504000.

The previous prime is 2199433. The next prime is 2199479. The reversal of 2199450 is 549912.

It is a happy number.

2199450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51129 + ... + 51171.

It is an arithmetic number, because the mean of its divisors is an integer number (65472).

2^2199450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2199450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3142656).

2199450 is an abundant number, since it is smaller than the sum of its proper divisors (4085862).

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

2199450 is a wasteful number, since it uses less digits than its factorization.

2199450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 2199450 is about 1483.0542808677. The cubic root of 2199450 is about 130.0483055198.

It can be divided in two parts, 219 and 9450, that added together give a palindrome (9669).

The spelling of 2199450 in words is "two million, one hundred ninety-nine thousand, four hundred fifty".