6622013400 has 96 divisors (see below), whose sum is σ = 21735818640. Its totient is φ = 1661992960.

The previous prime is 6622013393. The next prime is 6622013401. The reversal of 6622013400 is 43102266.

It is a super-2 number, since 2×6622013400² = 87702122939559120000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6622013401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 314409 + ... + 334808.

Almost surely, 2^6622013400 is an apocalyptic number.

6622013400 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6622013400 is an abundant number, since it is smaller than the sum of its proper divisors (15113805240).

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

6622013400 is a wasteful number, since it uses less digits than its factorization.

6622013400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649253 (or 649244 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 6622013400 is about 81375.7543743835. The cubic root of 6622013400 is about 1877.8606076953.

Adding to 6622013400 its reverse (43102266), we get a palindrome (6665115666).

The spelling of 6622013400 in words is "six billion, six hundred twenty-two million, thirteen thousand, four hundred".