197421622 has 16 divisors (see below), whose sum is σ = 299728800. Its totient is φ = 97517952.

The previous prime is 197421619. The next prime is 197421641. The reversal of 197421622 is 226124791.

197421622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×197421622² = 77950593666221768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77623 + ... + 80125.

It is an arithmetic number, because the mean of its divisors is an integer number (18733050).

Almost surely, 2^197421622 is an apocalyptic number.

197421622 is a deficient number, since it is larger than the sum of its proper divisors (102307178).

197421622 is a wasteful number, since it uses less digits than its factorization.

197421622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2967.

The product of its digits is 12096, while the sum is 34.

The square root of 197421622 is about 14050.6804817418. The cubic root of 197421622 is about 582.2795958623.

The spelling of 197421622 in words is "one hundred ninety-seven million, four hundred twenty-one thousand, six hundred twenty-two".