2221235135542 has 32 divisors (see below), whose sum is σ = 3553483688352. Its totient is φ = 1037708066304.

The previous prime is 2221235135419. The next prime is 2221235135557. The reversal of 2221235135542 is 2455315321222.

It is a super-3 number, since 3×2221235135542³ (a number of 38 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 15 ways as a sum of consecutive naturals, for example, 3703213 + ... + 4261015.

It is an arithmetic number, because the mean of its divisors is an integer number (111046365261).

Almost surely, 2^{2221235135542} is an apocalyptic number.

2221235135542 is a deficient number, since it is larger than the sum of its proper divisors (1332248552810).

2221235135542 is a wasteful number, since it uses less digits than its factorization.

2221235135542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558672.

The product of its digits is 144000, while the sum is 37.

The spelling of 2221235135542 in words is "two trillion, two hundred twenty-one billion, two hundred thirty-five million, one hundred thirty-five thousand, five hundred forty-two".