2179442 has 8 divisors (see below), whose sum is σ = 3275436. Its totient is φ = 1087632.

The previous prime is 2179399. The next prime is 2179459. The reversal of 2179442 is 2449712.

It can be written as a sum of positive squares in 2 ways, for example, as 1615441 + 564001 = 1271^2 + 751^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1448 + ... + 2540.

2^2179442 is an apocalyptic number.

2179442 is a deficient number, since it is larger than the sum of its proper divisors (1095994).

2179442 is a wasteful number, since it uses less digits than its factorization.

2179442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2092.

The product of its digits is 4032, while the sum is 29.

The square root of 2179442 is about 1476.2933312862. The cubic root of 2179442 is about 129.6527616930.

The spelling of 2179442 in words is "two million, one hundred seventy-nine thousand, four hundred forty-two".