374221 has 4 divisors (see below), whose sum is σ = 396252. Its totient is φ = 352192.

The previous prime is 374219. The next prime is 374239. The reversal of 374221 is 122473.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 122473 = 13 ⋅9421.

It can be written as a sum of positive squares in 2 ways, for example, as 275625 + 98596 = 525^2 + 314^2 .

It is a cyclic number.

It is not a de Polignac number, because 374221 - 2¹ = 374219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (374291) 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, 10990 + ... + 11023.

It is an arithmetic number, because the mean of its divisors is an integer number (99063).

2³⁷⁴²²¹ is an apocalyptic number.

It is an amenable number.

374221 is a deficient number, since it is larger than the sum of its proper divisors (22031).

374221 is a wasteful number, since it uses less digits than its factorization.

374221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22030.

The product of its digits is 336, while the sum is 19.

The square root of 374221 is about 611.7360541933. The cubic root of 374221 is about 72.0625100138.

Adding to 374221 its reverse (122473), we get a palindrome (496694).

It can be divided in two parts, 374 and 221, that added together give a palindrome (595).

The spelling of 374221 in words is "three hundred seventy-four thousand, two hundred twenty-one", and thus it is an iban number.