61135224 has 32 divisors (see below), whose sum is σ = 157770240. Its totient is φ = 19720800.

The previous prime is 61135201. The next prime is 61135231. The reversal of 61135224 is 42253116.

It is a super-2 number, since 2×61135224² = 7475031227060352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 61135194 and 61135203.

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, 40342 + ... + 41829.

It is an arithmetic number, because the mean of its divisors is an integer number (4930320).

Almost surely, 2^61135224 is an apocalyptic number.

It is an amenable number.

61135224 is an abundant number, since it is smaller than the sum of its proper divisors (96635016).

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

61135224 is a wasteful number, since it uses less digits than its factorization.

61135224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82211 (or 82207 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 61135224 is about 7818.9017131564. The cubic root of 61135224 is about 393.9403828131.

The spelling of 61135224 in words is "sixty-one million, one hundred thirty-five thousand, two hundred twenty-four".