854040722 has 4 divisors (see below), whose sum is σ = 1281061086. Its totient is φ = 427020360.

The previous prime is 854040721. The next prime is 854040743. The reversal of 854040722 is 227040458.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 227040458 = 2 ⋅113520229.

It can be written as a sum of positive squares in only one way, i.e., 828345961 + 25694761 = 28781^2 + 5069^2 .

It is not an unprimeable number, because it can be changed into a prime (854040721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213510179 + ... + 213510182.

Almost surely, 2^854040722 is an apocalyptic number.

854040722 is a deficient number, since it is larger than the sum of its proper divisors (427020364).

854040722 is a wasteful number, since it uses less digits than its factorization.

854040722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427020363.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 854040722 is about 29223.9751231758. The cubic root of 854040722 is about 948.7669031841.

The spelling of 854040722 in words is "eight hundred fifty-four million, forty thousand, seven hundred twenty-two".