39722046 has 96 divisors (see below), whose sum is σ = 104952960. Its totient is φ = 9906624.

The previous prime is 39722029. The next prime is 39722051. The reversal of 39722046 is 64022793.

It is a super-2 number, since 2×39722046² = 3155681876852232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 39721998 and 39722016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72345 + ... + 72891.

It is an arithmetic number, because the mean of its divisors is an integer number (1093260).

Almost surely, 2^39722046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39722046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52476480).

39722046 is an abundant number, since it is smaller than the sum of its proper divisors (65230914).

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

39722046 is a wasteful number, since it uses less digits than its factorization.

39722046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598 (or 591 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 39722046 is about 6302.5428201639. The cubic root of 39722046 is about 341.2011896000.

The spelling of 39722046 in words is "thirty-nine million, seven hundred twenty-two thousand, forty-six".