1860222 has 32 divisors (see below), whose sum is σ = 4580352. Its totient is φ = 490464.

The previous prime is 1860197. The next prime is 1860251. The reversal of 1860222 is 2220681.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1158 + ... + 2249.

It is an arithmetic number, because the mean of its divisors is an integer number (143136).

2^1860222 is an apocalyptic number.

1860222 is an abundant number, since it is smaller than the sum of its proper divisors (2720130).

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

1860222 is a wasteful number, since it uses less digits than its factorization.

1860222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3432.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1860222 is about 1363.8995564190. The cubic root of 1860222 is about 122.9857872400.

The spelling of 1860222 in words is "one million, eight hundred sixty thousand, two hundred twenty-two".