399999021022022 has 16 divisors (see below), whose sum is σ = 635844511222272. Its totient is φ = 188071293148800.

The previous prime is 399999021021931. The next prime is 399999021022061. The reversal of 399999021022022 is 220220120999993.

It is a congruent number.

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, 5110593833 + ... + 5110672100.

It is an arithmetic number, because the mean of its divisors is an integer number (39740281951392).

Almost surely, 2^{399999021022022} is an apocalyptic number.

399999021022022 is a deficient number, since it is larger than the sum of its proper divisors (235845490200250).

399999021022022 is a wasteful number, since it uses less digits than its factorization.

399999021022022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10221267103.

The product of its (nonzero) digits is 5668704, while the sum is 59.

The spelling of 399999021022022 in words is "three hundred ninety-nine trillion, nine hundred ninety-nine billion, twenty-one million, twenty-two thousand, twenty-two".