1422560 has 48 divisors (see below), whose sum is σ = 3565296. Its totient is φ = 534528.

The previous prime is 1422541. The next prime is 1422563. The reversal of 1422560 is 652241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422563) 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, 2459 + ... + 2981.

It is an arithmetic number, because the mean of its divisors is an integer number (74277).

2^1422560 is an apocalyptic number.

1422560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1422560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1782648).

1422560 is an abundant number, since it is smaller than the sum of its proper divisors (2142736).

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

1422560 is a wasteful number, since it uses less digits than its factorization.

1422560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1422560 is about 1192.7111972309. The cubic root of 1422560 is about 112.4665909025.

The spelling of 1422560 in words is "one million, four hundred twenty-two thousand, five hundred sixty".