94022640 has 320 divisors, whose sum is σ = 357120000. Its totient is φ = 22643712.

The previous prime is 94022633. The next prime is 94022647. The reversal of 94022640 is 4622049.

It is an interprime number because it is at equal distance from previous prime (94022633) and next prime (94022647).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94022647) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1190121 + ... + 1190199.

It is an arithmetic number, because the mean of its divisors is an integer number (1116000).

Almost surely, 2^94022640 is an apocalyptic number.

94022640 is a gapful number since it is divisible by the number (90) 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 94022640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178560000).

94022640 is an abundant number, since it is smaller than the sum of its proper divisors (263097360).

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

94022640 is a wasteful number, since it uses less digits than its factorization.

94022640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 94022640 is about 9696.5272133893. The cubic root of 94022640 is about 454.7200951232.

Adding to 94022640 its reverse (4622049), we get a palindrome (98644689).

The spelling of 94022640 in words is "ninety-four million, twenty-two thousand, six hundred forty".