401154422222402 has 4 divisors (see below), whose sum is σ = 601731633333606. Its totient is φ = 200577211111200.

The previous prime is 401154422222383. The next prime is 401154422222459. The reversal of 401154422222402 is 204222224451104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 341355148688401 + 59799273534001 = 18475799^2 + 7732999^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100288605555599 + ... + 100288605555602.

Almost surely, 2^{401154422222402} is an apocalyptic number.

401154422222402 is a deficient number, since it is larger than the sum of its proper divisors (200577211111204).

401154422222402 is a wasteful number, since it uses less digits than its factorization.

401154422222402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200577211111203.

The product of its (nonzero) digits is 81920, while the sum is 35.

Adding to 401154422222402 its reverse (204222224451104), we get a palindrome (605376646673506).

The spelling of 401154422222402 in words is "four hundred one trillion, one hundred fifty-four billion, four hundred twenty-two million, two hundred twenty-two thousand, four hundred two".