199225572 has 144 divisors (see below), whose sum is σ = 592562880. Its totient is φ = 51625728.

The previous prime is 199225531. The next prime is 199225577. The reversal of 199225572 is 275522991.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199225577) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 511954 + ... + 512342.

It is an arithmetic number, because the mean of its divisors is an integer number (4115020).

Almost surely, 2^199225572 is an apocalyptic number.

199225572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199225572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296281440).

199225572 is an abundant number, since it is smaller than the sum of its proper divisors (393337308).

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

199225572 is a wasteful number, since it uses less digits than its factorization.

199225572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 481 counting only the distinct ones).

The product of its digits is 113400, while the sum is 42.

The square root of 199225572 is about 14114.7289028164. The cubic root of 199225572 is about 584.0477575569.

The spelling of 199225572 in words is "one hundred ninety-nine million, two hundred twenty-five thousand, five hundred seventy-two".