40222020231 has 36 divisors (see below), whose sum is σ = 60404058000. Its totient is φ = 26781757056.

The previous prime is 40222020229. The next prime is 40222020233. The reversal of 40222020231 is 13202022204.

40222020231 is a `hidden beast` number, since 402 + 220 + 20 + 23 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (40222020229) and next prime (40222020233).

It is not a de Polignac number, because 40222020231 - 2¹ = 40222020229 is a prime.

It is a super-2 number, since 2×40222020231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40222020233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6091870 + ... + 6098468.

It is an arithmetic number, because the mean of its divisors is an integer number (1677890500).

Almost surely, 2^40222020231 is an apocalyptic number.

40222020231 is a deficient number, since it is larger than the sum of its proper divisors (20182037769).

40222020231 is an frugal number, since it uses more digits than its factorization.

40222020231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7552 (or 7531 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 40222020231 its reverse (13202022204), we get a palindrome (53424042435).

The spelling of 40222020231 in words is "forty billion, two hundred twenty-two million, twenty thousand, two hundred thirty-one".