1422770 has 16 divisors (see below), whose sum is σ = 2597400. Its totient is φ = 561024.

The previous prime is 1422763. The next prime is 1422797. The reversal of 1422770 is 772241.

It can be written as a sum of positive squares in 4 ways, for example, as 1324801 + 97969 = 1151^2 + 313^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245 + ... + 1704.

2^1422770 is an apocalyptic number.

1422770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1422770 is a deficient number, since it is larger than the sum of its proper divisors (1174630).

1422770 is a wasteful number, since it uses less digits than its factorization.

1422770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 1422770 is about 1192.7992287053. The cubic root of 1422770 is about 112.4721247809.

The spelling of 1422770 in words is "one million, four hundred twenty-two thousand, seven hundred seventy".