40202022 has 32 divisors (see below), whose sum is σ = 95887872. Its totient is φ = 10986624.

The previous prime is 40202021. The next prime is 40202047. The reversal of 40202022 is 22020204.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40201989 and 40202007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40202021) 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, 19843 + ... + 21774.

It is an arithmetic number, because the mean of its divisors is an integer number (2996496).

Almost surely, 2^40202022 is an apocalyptic number.

40202022 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

40202022 is an abundant number, since it is smaller than the sum of its proper divisors (55685850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40202022 is a wasteful number, since it uses less digits than its factorization.

40202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41652.

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 40202022 is about 6340.5064466492. The cubic root of 40202022 is about 342.5699773546.

Adding to 40202022 its reverse (22020204), we get a palindrome (62222226).

It can be divided in two parts, 4020202 and 2, that added together give a palindrome (4020204).

The spelling of 40202022 in words is "forty million, two hundred two thousand, twenty-two".