1622270 has 16 divisors (see below), whose sum is σ = 3144960. Its totient is φ = 598944.

The previous prime is 1622263. The next prime is 1622273. The reversal of 1622270 is 722261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1622273) 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 7 ways as a sum of consecutive naturals, for example, 6110 + ... + 6369.

It is an arithmetic number, because the mean of its divisors is an integer number (196560).

2^1622270 is an apocalyptic number.

1622270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1622270 is a deficient number, since it is larger than the sum of its proper divisors (1522690).

1622270 is a wasteful number, since it uses less digits than its factorization.

1622270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12499.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 1622270 is about 1273.6836341886. The cubic root of 1622270 is about 117.5008601114.

Subtracting from 1622270 its reverse (722261), we obtain a palindrome (900009).

The spelling of 1622270 in words is "one million, six hundred twenty-two thousand, two hundred seventy".