40222002 has 16 divisors (see below), whose sum is σ = 80563392. Its totient is φ = 13387440.

The previous prime is 40221991. The next prime is 40222003. The reversal of 40222002 is 20022204.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40222003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249 + ... + 8972.

It is an arithmetic number, because the mean of its divisors is an integer number (5035212).

Almost surely, 2^40222002 is an apocalyptic number.

40222002 is an abundant number, since it is smaller than the sum of its proper divisors (40341390).

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

40222002 is a wasteful number, since it uses less digits than its factorization.

40222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9953.

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

The square root of 40222002 is about 6342.0818348552. The cubic root of 40222002 is about 342.6267192317.

Adding to 40222002 its reverse (20022204), we get a palindrome (60244206).

The spelling of 40222002 in words is "forty million, two hundred twenty-two thousand, two".