39222816 has 48 divisors (see below), whose sum is σ = 105162624. Its totient is φ = 12794624.

The previous prime is 39222803. The next prime is 39222829. The reversal of 39222816 is 61822293.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (39222803) and next prime (39222829).

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166 + ... + 8858.

It is an arithmetic number, because the mean of its divisors is an integer number (2190888).

Almost surely, 2^39222816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39222816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52581312).

39222816 is an abundant number, since it is smaller than the sum of its proper divisors (65939808).

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

39222816 is a wasteful number, since it uses less digits than its factorization.

39222816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8753 (or 8745 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 39222816 is about 6262.8121479093. The cubic root of 39222816 is about 339.7657440585.

The spelling of 39222816 in words is "thirty-nine million, two hundred twenty-two thousand, eight hundred sixteen".