2198772 has 24 divisors (see below), whose sum is σ = 5700800. Its totient is φ = 732888.

The previous prime is 2198767. The next prime is 2198783. The reversal of 2198772 is 2778912.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10072 + ... + 10287.

2^2198772 is an apocalyptic number.

It is an amenable number.

2198772 is an abundant number, since it is smaller than the sum of its proper divisors (3502028).

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

2198772 is a wasteful number, since it uses less digits than its factorization.

2198772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20372 (or 20364 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 2198772 is about 1482.8256809214. The cubic root of 2198772 is about 130.0349412980.

The spelling of 2198772 in words is "two million, one hundred ninety-eight thousand, seven hundred seventy-two".