140022550 has 12 divisors (see below), whose sum is σ = 260442036. Its totient is φ = 56009000.

The previous prime is 140022521. The next prime is 140022583. The reversal of 140022550 is 55220041.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1400176 + ... + 1400275.

It is an arithmetic number, because the mean of its divisors is an integer number (21703503).

Almost surely, 2^140022550 is an apocalyptic number.

140022550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140022550 is a deficient number, since it is larger than the sum of its proper divisors (120419486).

140022550 is a wasteful number, since it uses less digits than its factorization.

140022550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800463 (or 2800458 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 140022550 is about 11833.1124392528. The cubic root of 140022550 is about 519.2772874365.

Adding to 140022550 its reverse (55220041), we get a palindrome (195242591).

The spelling of 140022550 in words is "one hundred forty million, twenty-two thousand, five hundred fifty".