2194550 has 12 divisors (see below), whose sum is σ = 4081956. Its totient is φ = 877800.

The previous prime is 2194537. The next prime is 2194553. The reversal of 2194550 is 554912.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2194553) 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, 21896 + ... + 21995.

It is an arithmetic number, because the mean of its divisors is an integer number (340163).

2^2194550 is an apocalyptic number.

2194550 is a deficient number, since it is larger than the sum of its proper divisors (1887406).

2194550 is a wasteful number, since it uses less digits than its factorization.

2194550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43903 (or 43898 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 2194550 is about 1481.4013635744. The cubic root of 2194550 is about 129.9516585547.

It can be divided in two parts, 2194 and 550, that added together give a cube (2744 = 14³).

The spelling of 2194550 in words is "two million, one hundred ninety-four thousand, five hundred fifty".