140822446 has 8 divisors (see below), whose sum is σ = 211443624. Its totient is φ = 70341240.

The previous prime is 140822419. The next prime is 140822447. The reversal of 140822446 is 644228041.

140822446 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×140822446² = 39661922594845832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140822447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32440 + ... + 36523.

It is an arithmetic number, because the mean of its divisors is an integer number (26430453).

Almost surely, 2^140822446 is an apocalyptic number.

140822446 is a deficient number, since it is larger than the sum of its proper divisors (70621178).

140822446 is a wasteful number, since it uses less digits than its factorization.

140822446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69986.

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 140822446 is about 11866.8633597931. The cubic root of 140822446 is about 520.2642222296.

The spelling of 140822446 in words is "one hundred forty million, eight hundred twenty-two thousand, four hundred forty-six".