1622070220 has 24 divisors (see below), whose sum is σ = 3453012864. Its totient is φ = 639939456.

The previous prime is 1622070217. The next prime is 1622070221. The reversal of 1622070220 is 220702261.

It is a super-2 number, since 2×1622070220² = 5262223597221696800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1622070191 and 1622070200.

It is not an unprimeable number, because it can be changed into a prime (1622070221) 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, 554044 + ... + 556963.

It is an arithmetic number, because the mean of its divisors is an integer number (143875536).

Almost surely, 2^1622070220 is an apocalyptic number.

1622070220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1622070220 is an abundant number, since it is smaller than the sum of its proper divisors (1830942644).

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

1622070220 is a wasteful number, since it uses less digits than its factorization.

1622070220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111089 (or 1111087 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 1622070220 is about 40274.9328987647. The cubic root of 1622070220 is about 1174.9603656466.

Adding to 1622070220 its reverse (220702261), we get a palindrome (1842772481).

The spelling of 1622070220 in words is "one billion, six hundred twenty-two million, seventy thousand, two hundred twenty".