40221702 has 12 divisors (see below), whose sum is σ = 87147060. Its totient is φ = 13407228.

The previous prime is 40221691. The next prime is 40221737. The reversal of 40221702 is 20712204.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2234539 = 40221702 / (4 + 0 + 2 + 2 + 1 + 7 + 0 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1117252 + ... + 1117287.

It is an arithmetic number, because the mean of its divisors is an integer number (7262255).

Almost surely, 2^40221702 is an apocalyptic number.

40221702 is an abundant number, since it is smaller than the sum of its proper divisors (46925358).

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

40221702 is a wasteful number, since it uses less digits than its factorization.

40221702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234547 (or 2234544 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 40221702 is about 6342.0581832714. The cubic root of 40221702 is about 342.6258673905.

Adding to 40221702 its reverse (20712204), we get a palindrome (60933906).

The spelling of 40221702 in words is "forty million, two hundred twenty-one thousand, seven hundred two".