61203222 has 32 divisors (see below), whose sum is σ = 136281600. Its totient is φ = 20359944.

The previous prime is 61203221. The next prime is 61203223. The reversal of 61203222 is 22230216.

61203222 is a `hidden beast` number, since 612 + 0 + 32 + 22 = 666.

It is an interprime number because it is at equal distance from previous prime (61203221) and next prime (61203223).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 61203195 and 61203204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61203221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38479 + ... + 40037.

It is an arithmetic number, because the mean of its divisors is an integer number (4258800).

Almost surely, 2^61203222 is an apocalyptic number.

61203222 is an abundant number, since it is smaller than the sum of its proper divisors (75078378).

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

61203222 is a wasteful number, since it uses less digits than its factorization.

61203222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2297 (or 2291 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 61203222 is about 7823.2488136324. The cubic root of 61203222 is about 394.0863828392.

Adding to 61203222 its reverse (22230216), we get a palindrome (83433438).

It can be divided in two parts, 61203 and 222, that added together give a triangular number (61425 = T₃₅₀).

The spelling of 61203222 in words is "sixty-one million, two hundred three thousand, two hundred twenty-two".