103622440 has 32 divisors (see below), whose sum is σ = 233500680. Its totient is φ = 41386752.

The previous prime is 103622437. The next prime is 103622443. The reversal of 103622440 is 44226301.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (103622437) and next prime (103622443).

It can be written as a sum of positive squares in 4 ways, for example, as 75933796 + 27688644 = 8714^2 + 5262^2 .

It is a super-3 number, since 3×103622440³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (103622443) 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, 32602 + ... + 35638.

Almost surely, 2^103622440 is an apocalyptic number.

103622440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103622440 is an abundant number, since it is smaller than the sum of its proper divisors (129878240).

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

103622440 is a wasteful number, since it uses less digits than its factorization.

103622440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3901 (or 3897 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 103622440 is about 10179.5107937464. The cubic root of 103622440 is about 469.6971642030.

Adding to 103622440 its reverse (44226301), we get a palindrome (147848741).

The spelling of 103622440 in words is "one hundred three million, six hundred twenty-two thousand, four hundred forty".