42220506215535 has 32 divisors (see below), whose sum is σ = 68154326150592. Its totient is φ = 22317820462080.

The previous prime is 42220506215483. The next prime is 42220506215549. The reversal of 42220506215535 is 53551260502224.

It is not a de Polignac number, because 42220506215535 - 2¹⁰ = 42220506214511 is a prime.

It is a super-3 number, since 3×42220506215535³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21644446 + ... + 23514315.

It is an arithmetic number, because the mean of its divisors is an integer number (2129822692206).

Almost surely, 2^{42220506215535} is an apocalyptic number.

42220506215535 is a deficient number, since it is larger than the sum of its proper divisors (25933819935057).

42220506215535 is a wasteful number, since it uses less digits than its factorization.

42220506215535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45159323.

The product of its (nonzero) digits is 720000, while the sum is 42.

Adding to 42220506215535 its reverse (53551260502224), we get a palindrome (95771766717759).

The spelling of 42220506215535 in words is "forty-two trillion, two hundred twenty billion, five hundred six million, two hundred fifteen thousand, five hundred thirty-five".