838222957 has 16 divisors (see below), whose sum is σ = 1005725952. Its totient is φ = 688432320.

The previous prime is 838222909. The next prime is 838222963. The reversal of 838222957 is 759222838.

It is a cyclic number.

It is not a de Polignac number, because 838222957 - 2¹¹ = 838220909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838222967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55638 + ... + 69079.

It is an arithmetic number, because the mean of its divisors is an integer number (62857872).

Almost surely, 2^838222957 is an apocalyptic number.

It is an amenable number.

838222957 is a deficient number, since it is larger than the sum of its proper divisors (167502995).

838222957 is a wasteful number, since it uses less digits than its factorization.

838222957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124788.

The product of its digits is 483840, while the sum is 46.

The square root of 838222957 is about 28952.0803570313. The cubic root of 838222957 is about 942.8729655955.

The spelling of 838222957 in words is "eight hundred thirty-eight million, two hundred twenty-two thousand, nine hundred fifty-seven".