140622724 has 48 divisors (see below), whose sum is σ = 287481600. Its totient is φ = 59508000.

The previous prime is 140622721. The next prime is 140622761. The reversal of 140622724 is 427226041.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 140622692 and 140622701.

It is not an unprimeable number, because it can be changed into a prime (140622721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47899 + ... + 50749.

It is an arithmetic number, because the mean of its divisors is an integer number (5989200).

Almost surely, 2^140622724 is an apocalyptic number.

It is an amenable number.

140622724 is an abundant number, since it is smaller than the sum of its proper divisors (146858876).

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

140622724 is a wasteful number, since it uses less digits than its factorization.

140622724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2944 (or 2942 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 140622724 is about 11858.4452606571. The cubic root of 140622724 is about 520.0181502540.

Adding to 140622724 its reverse (427226041), we get a palindrome (567848765).

The spelling of 140622724 in words is "one hundred forty million, six hundred twenty-two thousand, seven hundred twenty-four".