1772230 has 8 divisors (see below), whose sum is σ = 3190032. Its totient is φ = 708888.

The previous prime is 1772227. The next prime is 1772237. The reversal of 1772230 is 322771.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1772237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88602 + ... + 88621.

It is an arithmetic number, because the mean of its divisors is an integer number (398754).

2^1772230 is an apocalyptic number.

1772230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1772230 is a deficient number, since it is larger than the sum of its proper divisors (1417802).

1772230 is a wasteful number, since it uses less digits than its factorization.

1772230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177230.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 1772230 is about 1331.2512910792. The cubic root of 1772230 is about 121.0152292832.

It can be divided in two parts, 1772 and 230, that added together give a palindrome (2002).

The spelling of 1772230 in words is "one million, seven hundred seventy-two thousand, two hundred thirty".