1427922 has 32 divisors (see below), whose sum is σ = 3279360. Its totient is φ = 460080.

The previous prime is 1427917. The next prime is 1427927. The reversal of 1427922 is 2297241.

It is an interprime number because it is at equal distance from previous prime (1427917) and next prime (1427927).

It is a super-2 number, since 2×1427922² = 4077922476168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1427927) 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 15 ways as a sum of consecutive naturals, for example, 1248 + ... + 2100.

It is an arithmetic number, because the mean of its divisors is an integer number (102480).

2^1427922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1427922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1639680).

1427922 is an abundant number, since it is smaller than the sum of its proper divisors (1851438).

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

1427922 is a wasteful number, since it uses less digits than its factorization.

1427922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895 (or 889 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 1427922 is about 1194.9569029886. The cubic root of 1427922 is about 112.6077190480.

The spelling of 1427922 in words is "one million, four hundred twenty-seven thousand, nine hundred twenty-two".