1622687040 has 224 divisors, whose sum is σ = 6165250560. Its totient is φ = 399403008.

The previous prime is 1622687023. The next prime is 1622687051. The reversal of 1622687040 is 407862261.

It is a super-2 number, since 2×1622687040² = 5266226459567923200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1622686986 and 1622687004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105097 + ... + 119543.

It is an arithmetic number, because the mean of its divisors is an integer number (27523440).

Almost surely, 2^1622687040 is an apocalyptic number.

1622687040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1622687040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3082625280).

1622687040 is an abundant number, since it is smaller than the sum of its proper divisors (4542563520).

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

1622687040 is a wasteful number, since it uses less digits than its factorization.

1622687040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14486 (or 14470 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 1622687040 is about 40282.5897876490. The cubic root of 1622687040 is about 1175.1092797110.

The spelling of 1622687040 in words is "one billion, six hundred twenty-two million, six hundred eighty-seven thousand, forty".