2215346735542 has 4 divisors (see below), whose sum is σ = 3323020103316. Its totient is φ = 1107673367770.

The previous prime is 2215346735531. The next prime is 2215346735543. The reversal of 2215346735542 is 2455376435122.

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

It is a super-2 number, since 2×2215346735542² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215346735543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553836683884 + ... + 553836683887.

It is an arithmetic number, because the mean of its divisors is an integer number (830755025829).

Almost surely, 2^{2215346735542} is an apocalyptic number.

2215346735542 is a deficient number, since it is larger than the sum of its proper divisors (1107673367774).

2215346735542 is a wasteful number, since it uses less digits than its factorization.

2215346735542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107673367773.

The product of its digits is 6048000, while the sum is 49.

The spelling of 2215346735542 in words is "two trillion, two hundred fifteen billion, three hundred forty-six million, seven hundred thirty-five thousand, five hundred forty-two".