40222143031021 has 8 divisors (see below), whose sum is σ = 45968306800320. Its totient is φ = 34476015095808.

The previous prime is 40222143030991. The next prime is 40222143031033. The reversal of 40222143031021 is 12013034122204.

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

It is a cyclic number.

It is not a de Polignac number, because 40222143031021 - 2¹³ = 40222143022829 is a prime.

It is a super-2 number, since 2×40222143031021² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40222143061021) 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, 6508591 + ... + 11081788.

It is an arithmetic number, because the mean of its divisors is an integer number (5746038350040).

Almost surely, 2^{40222143031021} is an apocalyptic number.

It is an amenable number.

40222143031021 is a deficient number, since it is larger than the sum of its proper divisors (5746163769299).

40222143031021 is a wasteful number, since it uses less digits than its factorization.

40222143031021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17917043.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 40222143031021 its reverse (12013034122204), we get a palindrome (52235177153225).

The spelling of 40222143031021 in words is "forty trillion, two hundred twenty-two billion, one hundred forty-three million, thirty-one thousand, twenty-one".