61121622 has 16 divisors (see below), whose sum is σ = 122538672. Its totient is φ = 20324640.

The previous prime is 61121569. The next prime is 61121663. The reversal of 61121622 is 22612116.

It is a nude number because it is divisible by every one of its digits.

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, 9573 + ... + 14624.

It is an arithmetic number, because the mean of its divisors is an integer number (7658667).

Almost surely, 2^61121622 is an apocalyptic number.

61121622 is an abundant number, since it is smaller than the sum of its proper divisors (61417050).

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

61121622 is a wasteful number, since it uses less digits than its factorization.

61121622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24623.

The product of its digits is 288, while the sum is 21.

The square root of 61121622 is about 7818.0318495130. The cubic root of 61121622 is about 393.9111646626.

Adding to 61121622 its reverse (22612116), we get a palindrome (83733738).

The spelling of 61121622 in words is "sixty-one million, one hundred twenty-one thousand, six hundred twenty-two".