61822288222816 has 48 divisors (see below), whose sum is σ = 135602465886720. Its totient is φ = 27503145623680.

The previous prime is 61822288222787. The next prime is 61822288222841.

61822288222816 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×61822288222816² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1868403676 + ... + 1868436763.

It is an arithmetic number, because the mean of its divisors is an integer number (2825051372640).

Almost surely, 2^{61822288222816} is an apocalyptic number.

It is an amenable number.

61822288222816 is an abundant number, since it is smaller than the sum of its proper divisors (73780177663904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61822288222816 is a wasteful number, since it uses less digits than its factorization.

61822288222816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3736840507 (or 3736840499 counting only the distinct ones).

The product of its digits is 9437184, while the sum is 58.

The spelling of 61822288222816 in words is "sixty-one trillion, eight hundred twenty-two billion, two hundred eighty-eight million, two hundred twenty-two thousand, eight hundred sixteen".