140736222 has 48 divisors (see below), whose sum is σ = 335752560. Its totient is φ = 42249600.

The previous prime is 140736203. The next prime is 140736263. The reversal of 140736222 is 222637041.

140736222 is a `hidden beast` number, since 1 + 407 + 36 + 222 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18322 + ... + 24842.

It is an arithmetic number, because the mean of its divisors is an integer number (6994845).

Almost surely, 2^140736222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140736222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167876280).

140736222 is an abundant number, since it is smaller than the sum of its proper divisors (195016338).

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

140736222 is a wasteful number, since it uses less digits than its factorization.

140736222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6649 (or 6646 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 140736222 is about 11863.2298300252. The cubic root of 140736222 is about 520.1580165730.

The spelling of 140736222 in words is "one hundred forty million, seven hundred thirty-six thousand, two hundred twenty-two".