39240222 has 16 divisors (see below), whose sum is σ = 89692032. Its totient is φ = 11211480.

The previous prime is 39240221. The next prime is 39240241. The reversal of 39240222 is 22204293.

It is a junction number, because it is equal to n+sod(n) for n = 39240192 and 39240201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39240221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467104 + ... + 467187.

It is an arithmetic number, because the mean of its divisors is an integer number (5605752).

Almost surely, 2^39240222 is an apocalyptic number.

39240222 is an abundant number, since it is smaller than the sum of its proper divisors (50451810).

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

39240222 is a wasteful number, since it uses less digits than its factorization.

39240222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934303.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 39240222 is about 6264.2016251075. The cubic root of 39240222 is about 339.8159961698.

The spelling of 39240222 in words is "thirty-nine million, two hundred forty thousand, two hundred twenty-two".