39722289145 has 32 divisors (see below), whose sum is σ = 59556197376. Its totient is φ = 24708811200.

The previous prime is 39722289137. The next prime is 39722289193. The reversal of 39722289145 is 54198222793.

It is a happy number.

It is not a de Polignac number, because 39722289145 - 2³ = 39722289137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39722289092 and 39722289101.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69330 + ... + 290260.

It is an arithmetic number, because the mean of its divisors is an integer number (1861131168).

Almost surely, 2^39722289145 is an apocalyptic number.

39722289145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

39722289145 is a deficient number, since it is larger than the sum of its proper divisors (19833908231).

39722289145 is a wasteful number, since it uses less digits than its factorization.

39722289145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221421.

The product of its digits is 2177280, while the sum is 52.

The spelling of 39722289145 in words is "thirty-nine billion, seven hundred twenty-two million, two hundred eighty-nine thousand, one hundred forty-five".