1422790 has 16 divisors (see below), whose sum is σ = 2594880. Its totient is φ = 561600.

The previous prime is 1422763. The next prime is 1422797. The reversal of 1422790 is 972241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111 + ... + 1690.

It is an arithmetic number, because the mean of its divisors is an integer number (162180).

2^1422790 is an apocalyptic number.

1422790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1422790 is a deficient number, since it is larger than the sum of its proper divisors (1172090).

1422790 is a wasteful number, since it uses less digits than its factorization.

1422790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1422790 is about 1192.8076123164. The cubic root of 1422790 is about 112.4726517885.

The spelling of 1422790 in words is "one million, four hundred twenty-two thousand, seven hundred ninety".