61263224 has 32 divisors (see below), whose sum is σ = 126109440. Its totient is φ = 27669600.

The previous prime is 61263211. The next prime is 61263269. The reversal of 61263224 is 42236216.

It is a super-2 number, since 2×61263224² = 7506365229748352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61263193 and 61263202.

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, 12209 + ... + 16479.

It is an arithmetic number, because the mean of its divisors is an integer number (3940920).

Almost surely, 2^61263224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61263224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63054720).

61263224 is an abundant number, since it is smaller than the sum of its proper divisors (64846216).

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

61263224 is a wasteful number, since it uses less digits than its factorization.

61263224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4451 (or 4447 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 61263224 is about 7827.0827260225. The cubic root of 61263224 is about 394.2151246891.

It can be divided in two parts, 612 and 63224, that added together give a palindrome (63836).

The spelling of 61263224 in words is "sixty-one million, two hundred sixty-three thousand, two hundred twenty-four".