1622242 has 8 divisors (see below), whose sum is σ = 2576556. Its totient is φ = 763392.

The previous prime is 1622233. The next prime is 1622263. The reversal of 1622242 is 2422261.

It can be written as a sum of positive squares in 2 ways, for example, as 1610361 + 11881 = 1269^2 + 109^2 .

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

It is a congruent number.

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, 23823 + ... + 23890.

2^1622242 is an apocalyptic number.

1622242 is a deficient number, since it is larger than the sum of its proper divisors (954314).

1622242 is a wasteful number, since it uses less digits than its factorization.

1622242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47732.

The product of its digits is 384, while the sum is 19.

The square root of 1622242 is about 1273.6726424007. The cubic root of 1622242 is about 117.5001840951.

Adding to 1622242 its sum of digits (19), we get a palindrome (1622261).

The spelling of 1622242 in words is "one million, six hundred twenty-two thousand, two hundred forty-two".