1422380 has 12 divisors (see below), whose sum is σ = 2987040. Its totient is φ = 568944.

The previous prime is 1422367. The next prime is 1422409. The reversal of 1422380 is 832241.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 71119 = 1422380 / (1 + 4 + 2 + 2 + 3 + 8 + 0).

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, 35540 + ... + 35579.

It is an arithmetic number, because the mean of its divisors is an integer number (248920).

2^1422380 is an apocalyptic number.

1422380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1422380 is an abundant number, since it is smaller than the sum of its proper divisors (1564660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1422380 is a wasteful number, since it uses less digits than its factorization.

1422380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71128 (or 71126 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1422380 is about 1192.6357365097. The cubic root of 1422380 is about 112.4618471447.

The spelling of 1422380 in words is "one million, four hundred twenty-two thousand, three hundred eighty".