1622070 has 48 divisors (see below), whose sum is σ = 4296240. Its totient is φ = 424512.

The previous prime is 1622063. The next prime is 1622077. The reversal of 1622070 is 702261.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1622063) and next prime (1622077).

It is a super-2 number, since 2×1622070² = 5262222169800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1622077) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5896 + ... + 6164.

It is an arithmetic number, because the mean of its divisors is an integer number (89505).

2^1622070 is an apocalyptic number.

1622070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1622070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2148120).

1622070 is an abundant number, since it is smaller than the sum of its proper divisors (2674170).

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

1622070 is a wasteful number, since it uses less digits than its factorization.

1622070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349 (or 346 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 1622070 is about 1273.6051193364. The cubic root of 1622070 is about 117.4960312527.

It can be divided in two parts, 16220 and 70, that added together give a triangular number (16290 = T₁₈₀).

The spelling of 1622070 in words is "one million, six hundred twenty-two thousand, seventy".