61455622 has 8 divisors (see below), whose sum is σ = 92243736. Its totient is φ = 30707712.

The previous prime is 61455619. The next prime is 61455623. The reversal of 61455622 is 22655416.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61455623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5883 + ... + 12550.

It is an arithmetic number, because the mean of its divisors is an integer number (11530467).

Almost surely, 2^61455622 is an apocalyptic number.

61455622 is a deficient number, since it is larger than the sum of its proper divisors (30788114).

61455622 is a wasteful number, since it uses less digits than its factorization.

61455622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20102.

The product of its digits is 14400, while the sum is 31.

The square root of 61455622 is about 7839.3636221316. The cubic root of 61455622 is about 394.6273727784.

The spelling of 61455622 in words is "sixty-one million, four hundred fifty-five thousand, six hundred twenty-two".