61612226 has 16 divisors (see below), whose sum is σ = 99658944. Its totient is φ = 28398864.

The previous prime is 61612223. The next prime is 61612237. The reversal of 61612226 is 62221616.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 61612195 and 61612204.

It is not an unprimeable number, because it can be changed into a prime (61612223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32435 + ... + 34281.

It is an arithmetic number, because the mean of its divisors is an integer number (6228684).

Almost surely, 2^61612226 is an apocalyptic number.

61612226 is a deficient number, since it is larger than the sum of its proper divisors (38046718).

61612226 is a wasteful number, since it uses less digits than its factorization.

61612226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3145.

The product of its digits is 1728, while the sum is 26.

The square root of 61612226 is about 7849.3455778173. The cubic root of 61612226 is about 394.9622909043.

The spelling of 61612226 in words is "sixty-one million, six hundred twelve thousand, two hundred twenty-six".