61502222 has 4 divisors (see below), whose sum is σ = 92253336. Its totient is φ = 30751110.

The previous prime is 61502201. The next prime is 61502239. The reversal of 61502222 is 22220516.

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

It is a junction number, because it is equal to n+sod(n) for n = 61502194 and 61502203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15375554 + ... + 15375557.

It is an arithmetic number, because the mean of its divisors is an integer number (23063334).

Almost surely, 2^61502222 is an apocalyptic number.

61502222 is a deficient number, since it is larger than the sum of its proper divisors (30751114).

61502222 is a wasteful number, since it uses less digits than its factorization.

61502222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30751113.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 61502222 is about 7842.3352389451. The cubic root of 61502222 is about 394.7270923746.

Adding to 61502222 its reverse (22220516), we get a palindrome (83722738).

The spelling of 61502222 in words is "sixty-one million, five hundred two thousand, two hundred twenty-two".