1902422 has 8 divisors (see below), whose sum is σ = 2977776. Its totient is φ = 909832.

The previous prime is 1902421. The next prime is 1902427. The reversal of 1902422 is 2242091.

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

It is a junction number, because it is equal to n+sod(n) for n = 1902394 and 1902403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1902421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20633 + ... + 20724.

It is an arithmetic number, because the mean of its divisors is an integer number (372222).

2^1902422 is an apocalyptic number.

1902422 is a deficient number, since it is larger than the sum of its proper divisors (1075354).

1902422 is a wasteful number, since it uses less digits than its factorization.

1902422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41382.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1902422 is about 1379.2831471456. The cubic root of 1902422 is about 123.9088386510.

The spelling of 1902422 in words is "one million, nine hundred two thousand, four hundred twenty-two".