40222402 has 8 divisors (see below), whose sum is σ = 65818512. Its totient is φ = 18282900.

The previous prime is 40222397. The next prime is 40222421. The reversal of 40222402 is 20422204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 914124 + ... + 914167.

It is an arithmetic number, because the mean of its divisors is an integer number (8227314).

Almost surely, 2^40222402 is an apocalyptic number.

40222402 is a deficient number, since it is larger than the sum of its proper divisors (25596110).

40222402 is a wasteful number, since it uses less digits than its factorization.

40222402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828304.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 40222402 is about 6342.1133701630. The cubic root of 40222402 is about 342.6278550133.

Adding to 40222402 its reverse (20422204), we get a palindrome (60644606).

The spelling of 40222402 in words is "forty million, two hundred twenty-two thousand, four hundred two".