101440422 has 24 divisors (see below), whose sum is σ = 220910976. Its totient is φ = 33640656.

The previous prime is 101440403. The next prime is 101440457. The reversal of 101440422 is 224044101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 101440395 and 101440404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10758 + ... + 17849.

It is an arithmetic number, because the mean of its divisors is an integer number (9204624).

Almost surely, 2^101440422 is an apocalyptic number.

101440422 is an abundant number, since it is smaller than the sum of its proper divisors (119470554).

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

101440422 is a wasteful number, since it uses less digits than its factorization.

101440422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28812 (or 28809 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 101440422 is about 10071.7635992908. The cubic root of 101440422 is about 466.3768832440.

Adding to 101440422 its reverse (224044101), we get a palindrome (325484523).

The spelling of 101440422 in words is "one hundred one million, four hundred forty thousand, four hundred twenty-two".