22040401402 has 8 divisors (see below), whose sum is σ = 33125555700. Its totient is φ = 10998549504.

The previous prime is 22040401387. The next prime is 22040401423. The reversal of 22040401402 is 20410404022.

It can be written as a sum of positive squares in 2 ways, for example, as 21945163321 + 95238081 = 148139^2 + 9759^2 .

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

It is a super-2 number, since 2×22040401402² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22040401402.

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, 10824327 + ... + 10826362.

Almost surely, 2^22040401402 is an apocalyptic number.

22040401402 is a deficient number, since it is larger than the sum of its proper divisors (11085154298).

22040401402 is a wasteful number, since it uses less digits than its factorization.

22040401402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21651200.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 22040401402 its reverse (20410404022), we get a palindrome (42450805424).

The spelling of 22040401402 in words is "twenty-two billion, forty million, four hundred one thousand, four hundred two".