61862022 has 16 divisors (see below), whose sum is σ = 137471280. Its totient is φ = 20620656.

The previous prime is 61861979. The next prime is 61862023. The reversal of 61862022 is 22026816.

61862022 is a `hidden beast` number, since 6 + 18 + 620 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61862023) 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, 572743 + ... + 572850.

It is an arithmetic number, because the mean of its divisors is an integer number (8591955).

Almost surely, 2^61862022 is an apocalyptic number.

61862022 is an abundant number, since it is smaller than the sum of its proper divisors (75609258).

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

61862022 is a wasteful number, since it uses less digits than its factorization.

61862022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145604 (or 1145598 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 61862022 is about 7865.2413821827. The cubic root of 61862022 is about 395.4953396896.

Adding to 61862022 its reverse (22026816), we get a palindrome (83888838).

The spelling of 61862022 in words is "sixty-one million, eight hundred sixty-two thousand, twenty-two".