22420400222042 has 64 divisors (see below), whose sum is σ = 37364055736320. Its totient is φ = 10042238916864.

The previous prime is 22420400222041. The next prime is 22420400222053. The reversal of 22420400222042 is 24022200402422.

It is a super-2 number, since 2×22420400222042² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22420400222041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37529483 + ... + 38122209.

It is an arithmetic number, because the mean of its divisors is an integer number (583813370880).

Almost surely, 2^{22420400222042} is an apocalyptic number.

22420400222042 is a deficient number, since it is larger than the sum of its proper divisors (14943655514278).

22420400222042 is a wasteful number, since it uses less digits than its factorization.

22420400222042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593267.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 22420400222042 its reverse (24022200402422), we get a palindrome (46442600624464).

The spelling of 22420400222042 in words is "twenty-two trillion, four hundred twenty billion, four hundred million, two hundred twenty-two thousand, forty-two".